| Year | Value | | 2022 | 1,382,233 | | 2021 | 1,369,908 | | 2020 | 1,352,518 | | 2019 | 1,333,205 | | 2018 | 1,313,853 | | 2017 | 1,293,687 | | 2016 | 1,273,042 | | 2015 | 1,253,107 | | 2014 | 1,233,180 | | 2013 | 1,211,807 | | 2012 | 1,188,627 | | 2011 | 1,163,203 | | 2010 | 1,136,181 | | 2009 | 1,109,687 | | 2008 | 1,085,018 | | 2007 | 1,063,181 | | 2006 | 1,045,838 | | 2005 | 1,031,781 | | 2004 | 1,018,526 | | 2003 | 1,005,010 | | 2002 | 989,579 | | 2001 | 969,972 | | 2000 | 946,299 | | 1999 | 920,706 | | 1998 | 894,267 | | 1997 | 866,158 | | 1996 | 837,438 | | 1995 | 809,608 | | 1994 | 783,492 | | 1993 | 759,194 | | 1992 | 735,443 | | 1991 | 712,338 | | 1990 | 690,136 | | 1989 | 667,761 | | 1988 | 638,664 | | 1987 | 603,282 | | 1986 | 569,269 | | 1985 | 537,280 | | 1984 | 508,040 | | 1983 | 488,670 | | 1982 | 478,879 | | 1981 | 471,220 | | 1980 | 464,150 | | 1979 | 458,416 | | 1978 | 454,495 | | 1977 | 451,894 | | 1976 | 449,962 | | 1975 | 447,650 | | 1974 | 444,338 | | 1973 | 439,992 | | 1972 | 434,767 | | 1971 | 429,938 | | 1970 | 425,903 | | 1969 | 422,108 | | 1968 | 418,596 | | 1967 | 414,706 | | 1966 | 408,869 | | 1965 | 400,380 | | 1964 | 389,863 | | 1963 | 377,648 | | 1962 | 362,902 | | 1961 | 346,769 | | 1960 | 330,208 |
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