Year | Value | 2022 | 1,551,323 | 2021 | 1,511,856 | 2020 | 1,473,856 | 2019 | 1,436,943 | 2018 | 1,399,548 | 2017 | 1,360,355 | 2016 | 1,318,992 | 2015 | 1,275,363 | 2014 | 1,230,279 | 2013 | 1,191,201 | 2012 | 1,162,430 | 2011 | 1,141,366 | 2010 | 1,120,985 | 2009 | 1,098,146 | 2008 | 1,072,214 | 2007 | 1,036,344 | 2006 | 995,194 | 2005 | 958,402 | 2004 | 928,370 | 2003 | 907,222 | 2002 | 899,833 | 2001 | 904,268 | 2000 | 911,566 | 1999 | 916,434 | 1998 | 912,968 | 1997 | 896,332 | 1996 | 868,384 | 1995 | 831,474 | 1994 | 789,662 | 1993 | 746,830 | 1992 | 703,440 | 1991 | 661,899 | 1990 | 624,809 | 1989 | 590,282 | 1988 | 532,712 | 1987 | 476,860 | 1986 | 458,544 | 1985 | 454,297 | 1984 | 452,492 | 1983 | 451,649 | 1982 | 450,128 | 1981 | 446,548 | 1980 | 439,557 | 1979 | 427,086 | 1978 | 407,235 | 1977 | 378,930 | 1976 | 341,552 | 1975 | 313,436 | 1974 | 299,786 | 1973 | 286,931 | 1972 | 274,427 | 1971 | 262,385 | 1970 | 251,005 | 1969 | 240,264 | 1968 | 229,194 | 1967 | 218,609 | 1966 | 209,830 | 1965 | 202,271 | 1964 | 195,702 | 1963 | 190,847 | 1962 | 186,581 | 1961 | 181,539 | 1960 | 176,487 |
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