Year | Value | 2022 | 2,831,061 | 2021 | 2,816,756 | 2020 | 2,796,900 | 2019 | 2,766,112 | 2018 | 2,721,415 | 2017 | 2,668,221 | 2016 | 2,608,722 | 2015 | 2,534,627 | 2014 | 2,443,773 | 2013 | 2,346,405 | 2012 | 2,247,492 | 2011 | 2,146,910 | 2010 | 2,050,539 | 2009 | 1,961,036 | 2008 | 1,876,366 | 2007 | 1,790,518 | 2006 | 1,698,910 | 2005 | 1,598,482 | 2004 | 1,494,487 | 2003 | 1,398,627 | 2002 | 1,317,916 | 2001 | 1,266,567 | 2000 | 1,256,302 | 1999 | 1,263,324 | 1998 | 1,254,137 | 1997 | 1,226,998 | 1996 | 1,186,488 | 1995 | 1,135,370 | 1994 | 1,083,514 | 1993 | 1,039,282 | 1992 | 996,626 | 1991 | 951,440 | 1990 | 907,712 | 1989 | 869,373 | 1988 | 836,342 | 1987 | 804,213 | 1986 | 771,509 | 1985 | 737,353 | 1984 | 702,220 | 1983 | 666,351 | 1982 | 630,703 | 1981 | 597,637 | 1980 | 568,355 | 1979 | 542,764 | 1978 | 520,982 | 1977 | 502,465 | 1976 | 485,709 | 1975 | 469,833 | 1974 | 455,080 | 1973 | 441,603 | 1972 | 429,292 | 1971 | 418,589 | 1970 | 409,532 | 1969 | 401,861 | 1968 | 395,498 | 1967 | 389,593 | 1966 | 382,808 | 1965 | 374,539 | 1964 | 365,026 | 1963 | 354,288 | 1962 | 342,681 | 1961 | 331,638 | 1960 | 322,227 |
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