| Year | Rank | Trend | +/- | Quantity |
|---|---|---|---|---|
| 2013 | 595 | -52 | 423 | |
| 2012 | 543 | -6 | 479 | |
| 2011 | 537 | -40 | 474 | |
| 2010 | 497 | +54 | 520 | |
| 2009 | 551 | -71 | 478 | |
| 2008 | 480 | -25 | 578 | |
| 2007 | 455 | -10 | 608 | |
| 2006 | 445 | -39 | 613 | |
| 2005 | 406 | -6 | 692 | |
| 2004 | 400 | -8 | 655 | |
| 2003 | 392 | -13 | 667 | |
| 2002 | 379 | -38 | 686 | |
| 2001 | 341 | -10 | 802 | |
| 2000 | 331 | -16 | 847 | |
| 1999 | 315 | -13 | 905 | |
| 1998 | 302 | -33 | 945 | |
| 1997 | 269 | -11 | 1,045 | |
| 1996 | 258 | -13 | 1,094 | |
| 1995 | 245 | -3 | 1,175 | |
| 1994 | 242 | -29 | 1,217 | |
| 1993 | 213 | -17 | 1,427 | |
| 1992 | 196 | -16 | 1,595 | |
| 1991 | 180 | -16 | 1,739 | |
| 1990 | 164 | -13 | 1,891 | |
| 1989 | 151 | -10 | 2,004 | |
| 1988 | 141 | -8 | 2,064 | |
| 1987 | 133 | -11 | 2,100 | |
| 1986 | 122 | -3 | 2,251 | |
| 1985 | 119 | -1 | 2,374 | |
| 1984 | 118 | -8 | 2,335 | |
| 1983 | 110 | -5 | 2,469 | |
| 1982 | 105 | 0 | 2,764 | |
| 1981 | 105 | -4 | 2,815 | |
| 1980 | 101 | -5 | 2,983 | |
| 1979 | 96 | -5 | 3,039 | |
| 1978 | 91 | -7 | 3,086 | |
| 1977 | 84 | -9 | 3,445 | |
| 1976 | 75 | -7 | 3,667 | |
| 1975 | 68 | +1 | 3,974 | |
| 1974 | 69 | -4 | 4,025 | |
| 1973 | 65 | -3 | 4,378 | |
| 1972 | 62 | -6 | 4,772 | |
| 1971 | 56 | -2 | 5,860 | |
| 1970 | 54 | -2 | 6,188 | |
| 1969 | 52 | -4 | 6,420 | |
| 1968 | 48 | -6 | 7,094 | |
| 1967 | 42 | -2 | 7,685 | |
| 1966 | 40 | 0 | 8,455 | |
| 1965 | 40 | -5 | 9,096 | |
| 1964 | 35 | -3 | 10,858 | |
| 1963 | 32 | +2 | 12,460 | |
| 1962 | 34 | -2 | 12,294 | |
| 1961 | 32 | +2 | 13,183 | |
| 1960 | 34 | -1 | 13,913 | |
| 1959 | 33 | 0 | 14,546 | |
| 1958 | 33 | 0 | 14,978 | |
| 1957 | 33 | -2 | 15,621 | |
| 1956 | 31 | -3 | 15,044 | |
| 1955 | 28 | -1 | 15,566 | |
| 1954 | 27 | +3 | 15,519 | |
| 1953 | 30 | -1 | 13,251 | |
| 1952 | 29 | +1 | 12,437 | |
| 1951 | 30 | 0 | 12,195 | |
| 1950 | 30 | -2 | 11,432 | |
| 1949 | 28 | -2 | 11,450 | |
| 1948 | 26 | 0 | 12,135 | |
| 1947 | 26 | 0 | 12,745 | |
| 1946 | 26 | +7 | 10,673 | |
| 1945 | 33 | +10 | 6,837 | |
| 1944 | 43 | +6 | 5,976 | |
| 1943 | 49 | +3 | 5,733 | |
| 1942 | 52 | +12 | 4,810 | |
| 1941 | 64 | +9 | 3,605 | |
| 1940 | 73 | +10 | 2,981 | |
| 1939 | 83 | +3 | 2,446 | |
| 1938 | 86 | +27 | 2,336 | |
| 1937 | 113 | +13 | 1,683 | |
| 1936 | 126 | +28 | 1,294 | |
| 1935 | 154 | +28 | 959 | |
| 1934 | 182 | +24 | 722 | |
| 1933 | 206 | +57 | 571 | |
| 1932 | 263 | +59 | 431 | |
| 1931 | 322 | -2 | 288 | |
| 1930 | 320 | +72 | 297 | |
| 1929 | 392 | +16 | 222 | |
| 1928 | 408 | +49 | 217 | |
| 1927 | 457 | +13 | 180 | |
| 1926 | 470 | -38 | 165 | |
| 1925 | 432 | +100 | 191 | |
| 1924 | 532 | -3 | 141 | |
| 1923 | 529 | +24 | 133 | |
| 1922 | 553 | +14 | 131 | |
| 1921 | 567 | -53 | 125 | |
| 1920 | 514 | +113 | 142 | |
| 1919 | 627 | -10 | 94 | |
| 1918 | 617 | +2 | 100 | |
| 1917 | 619 | +15 | 92 | |
| 1916 | 634 | -85 | 85 | |
| 1915 | 549 | +123 | 105 | |
| 1914 | 672 | -153 | 58 | |
| 1913 | 519 | +62 | 69 | |
| 1912 | 581 | -7 | 49 | |
| 1911 | 574 | -53 | 29 | |
| 1910 | 521 | -20 | 30 | |
| 1909 | 501 | +38 | 27 | |
| 1908 | 539 | +17 | 23 | |
| 1907 | 556 | +147 | 20 | |
| 1906 | 703 | -69 | 13 | |
| 1905 | 634 | -99 | 15 | |
| 1904 | 535 | -13 | 18 | |
| 1903 | 522 | -3 | 18 | |
| 1902 | 519 | +71 | 18 | |
| 1901 | 590 | -58 | 13 | |
| 1900 | 532 | +391 | 21 | |
| 1899 | 923 | -318 | 7 | |
| 1898 | 605 | -56 | 14 | |
| 1897 | 549 | -91 | 15 | |
| 1896 | 458 | +147 | 20 | |
| 1895 | 605 | +18 | 13 | |
| 1894 | 623 | +203 | 12 | |
| 1893 | 826 | -191 | 8 | |
| 1892 | 635 | 12 | ||
| 1891 | ||||
| 1890 | 598 | +119 | 12 | |
| 1889 | 717 | -193 | 9 | |
| 1888 | 524 | -86 | 15 | |
| 1887 | 438 | +133 | 16 | |
| 1886 | 571 | +120 | 12 | |
| 1885 | 691 | -38 | 9 | |
| 1884 | 653 | -14 | 10 | |
| 1883 | 639 | +189 | 10 | |
| 1882 | 828 | 7 | ||
| 1881 | ||||
| 1880 | 632 | 10 |
| Year | Rank | Trend | +/- | Quantity |
|---|---|---|---|---|
| 2013 | ||||
| 2012 | ||||
| 2011 | ||||
| 2010 | ||||
| 2009 | ||||
| 2008 | ||||
| 2007 | ||||
| 2006 | ||||
| 2005 | ||||
| 2004 | ||||
| 2003 | ||||
| 2002 | ||||
| 2001 | ||||
| 2000 | ||||
| 1999 | ||||
| 1998 | ||||
| 1997 | ||||
| 1996 | ||||
| 1995 | ||||
| 1994 | ||||
| 1993 | ||||
| 1992 | ||||
| 1991 | ||||
| 1990 | ||||
| 1989 | ||||
| 1988 | ||||
| 1987 | 931 | 177 | ||
| 1986 | ||||
| 1985 | 890 | -40 | 180 | |
| 1984 | 850 | -95 | 181 | |
| 1983 | 755 | -26 | 215 | |
| 1982 | 729 | +3 | 235 | |
| 1981 | 732 | -108 | 227 | |
| 1980 | 624 | -32 | 293 | |
| 1979 | 592 | +21 | 306 | |
| 1978 | 613 | -56 | 277 | |
| 1977 | 557 | -82 | 315 | |
| 1976 | 475 | -63 | 386 | |
| 1975 | 412 | -17 | 491 | |
| 1974 | 395 | -53 | 518 | |
| 1973 | 342 | -22 | 638 | |
| 1972 | 320 | -34 | 750 | |
| 1971 | 286 | -17 | 987 | |
| 1970 | 269 | -29 | 1,111 | |
| 1969 | 240 | -22 | 1,244 | |
| 1968 | 218 | -17 | 1,398 | |
| 1967 | 201 | -10 | 1,593 | |
| 1966 | 191 | -17 | 1,710 | |
| 1965 | 174 | -35 | 2,020 | |
| 1964 | 139 | -16 | 2,909 | |
| 1963 | 123 | -11 | 3,522 | |
| 1962 | 112 | -4 | 4,040 | |
| 1961 | 108 | -7 | 4,362 | |
| 1960 | 101 | -6 | 4,842 | |
| 1959 | 95 | -6 | 5,214 | |
| 1958 | 89 | +3 | 5,327 | |
| 1957 | 92 | -1 | 5,261 | |
| 1956 | 91 | -8 | 5,268 | |
| 1955 | 83 | +5 | 5,352 | |
| 1954 | 88 | +29 | 4,789 | |
| 1953 | 117 | +3 | 3,375 | |
| 1952 | 120 | -5 | 3,035 | |
| 1951 | 115 | +12 | 3,039 | |
| 1950 | 127 | -12 | 2,525 | |
| 1949 | 115 | +18 | 2,791 | |
| 1948 | 133 | +2 | 2,280 | |
| 1947 | 135 | +8 | 2,291 | |
| 1946 | 143 | +61 | 1,918 | |
| 1945 | 204 | +12 | 951 | |
| 1944 | 216 | +1 | 914 | |
| 1943 | 217 | +18 | 923 | |
| 1942 | 235 | +73 | 818 | |
| 1941 | 308 | +23 | 444 | |
| 1940 | 331 | +39 | 370 | |
| 1939 | 370 | +36 | 315 | |
| 1938 | 406 | +19 | 273 | |
| 1937 | 425 | +28 | 232 | |
| 1936 | 453 | +2 | 200 | |
| 1935 | 455 | +85 | 197 | |
| 1934 | 540 | -11 | 146 | |
| 1933 | 529 | +7 | 145 | |
| 1932 | 536 | +72 | 149 | |
| 1931 | 608 | -54 | 119 | |
| 1930 | 554 | +81 | 152 | |
| 1929 | 635 | -45 | 119 | |
| 1928 | 590 | -34 | 143 | |
| 1927 | 556 | +36 | 163 | |
| 1926 | 592 | +5 | 144 | |
| 1925 | 597 | +95 | 148 | |
| 1924 | 692 | +59 | 116 | |
| 1923 | 751 | -17 | 94 | |
| 1922 | 734 | +22 | 99 | |
| 1921 | 756 | 94 | ||
| 1920 | ||||
| 1919 | 965 | +22 | 55 | |
| 1918 | 987 | 54 | ||
| 1917 | ||||
| 1916 | ||||
| 1915 | ||||
| 1914 | 985 | 37 | ||
| 1913 | ||||
| 1912 | ||||
| 1911 | ||||
| 1910 | ||||
| 1909 | ||||
| 1908 | ||||
| 1907 | ||||
| 1906 | ||||
| 1905 | ||||
| 1904 | ||||
| 1903 | ||||
| 1902 | ||||
| 1901 | ||||
| 1900 | ||||
| 1899 | ||||
| 1898 | ||||
| 1897 | ||||
| 1896 | ||||
| 1895 | ||||
| 1894 | ||||
| 1893 | ||||
| 1892 | ||||
| 1891 | ||||
| 1890 | ||||
| 1889 | ||||
| 1888 | ||||
| 1887 | ||||
| 1886 | ||||
| 1885 | ||||
| 1884 | ||||
| 1883 | ||||
| 1882 | ||||
| 1881 | ||||
| 1880 |
