Year | Value | 2022 | 1,536,636 | 2021 | 1,457,831 | 2020 | 1,374,922 | 2019 | 1,290,941 | 2018 | 1,209,058 | 2017 | 1,131,954 | 2016 | 1,059,019 | 2015 | 998,437 | 2014 | 952,933 | 2013 | 918,553 | 2012 | 892,324 | 2011 | 870,615 | 2010 | 852,622 | 2009 | 836,531 | 2008 | 821,679 | 2007 | 808,445 | 2006 | 795,690 | 2005 | 782,709 | 2004 | 769,295 | 2003 | 753,843 | 2002 | 733,209 | 2001 | 710,386 | 2000 | 686,605 | 1999 | 660,049 | 1998 | 631,183 | 1997 | 606,604 | 1996 | 584,363 | 1995 | 566,712 | 1994 | 550,812 | 1993 | 528,203 | 1992 | 506,023 | 1991 | 486,055 | 1990 | 468,955 | 1989 | 453,298 | 1988 | 438,446 | 1987 | 424,766 | 1986 | 412,437 | 1985 | 402,094 | 1984 | 393,704 | 1983 | 385,250 | 1982 | 374,088 | 1981 | 360,473 | 1980 | 346,036 | 1979 | 328,504 | 1978 | 307,933 | 1977 | 290,074 | 1976 | 277,284 | 1975 | 268,465 | 1974 | 262,817 | 1973 | 260,697 | 1972 | 261,613 | 1971 | 262,499 | 1970 | 261,847 | 1969 | 260,659 | 1968 | 259,383 | 1967 | 258,238 | 1966 | 257,394 | 1965 | 256,603 | 1964 | 255,613 | 1963 | 254,260 | 1962 | 252,517 | 1961 | 250,461 | 1960 | 248,159 |
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