Year | Value | 2022 | 11,729,250 | 2021 | 11,723,895 | 2020 | 11,700,695 | 2019 | 11,668,725 | 2018 | 11,808,496 | 2017 | 11,989,683 | 2016 | 12,187,828 | 2015 | 12,359,586 | 2014 | 12,438,708 | 2013 | 12,433,206 | 2012 | 12,408,834 | 2011 | 12,348,390 | 2010 | 12,233,173 | 2009 | 12,064,492 | 2008 | 11,850,157 | 2007 | 11,551,930 | 2006 | 11,397,602 | 2005 | 11,126,712 | 2004 | 10,594,902 | 2003 | 10,196,926 | 2002 | 9,981,956 | 2001 | 9,642,211 | 2000 | 9,258,080 | 1999 | 8,981,100 | 1998 | 8,673,042 | 1997 | 8,291,799 | 1996 | 7,761,993 | 1995 | 7,391,019 | 1994 | 7,215,160 | 1993 | 6,949,738 | 1992 | 6,649,599 | 1991 | 6,506,509 | 1990 | 6,387,561 | 1989 | 6,209,279 | 1988 | 6,146,136 | 1987 | 6,161,031 | 1986 | 6,194,371 | 1985 | 6,335,344 | 1984 | 6,629,286 | 1983 | 6,810,589 | 1982 | 6,869,612 | 1981 | 6,905,567 | 1980 | 6,774,776 | 1979 | 6,486,182 | 1978 | 6,375,595 | 1977 | 6,395,441 | 1976 | 6,289,025 | 1975 | 6,284,690 | 1974 | 6,417,075 | 1973 | 6,317,761 | 1972 | 6,063,338 | 1971 | 5,971,282 | 1970 | 5,862,279 | 1969 | 5,693,311 | 1968 | 5,604,374 | 1967 | 5,623,517 | 1966 | 5,627,200 | 1965 | 5,604,301 | 1964 | 5,561,689 | 1963 | 5,509,248 | 1962 | 5,444,843 | 1961 | 5,311,577 | 1960 | 5,181,217 |
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