| Year | Value | | 2022 | 2,167,652 | | 2021 | 2,116,964 | | 2020 | 2,065,425 | | 2019 | 2,012,698 | | 2018 | 1,959,001 | | 2017 | 1,904,278 | | 2016 | 1,847,523 | | 2015 | 1,787,489 | | 2014 | 1,723,968 | | 2013 | 1,657,904 | | 2012 | 1,591,211 | | 2011 | 1,525,981 | | 2010 | 1,463,559 | | 2009 | 1,404,767 | | 2008 | 1,349,725 | | 2007 | 1,297,812 | | 2006 | 1,248,711 | | 2005 | 1,202,441 | | 2004 | 1,158,884 | | 2003 | 1,117,646 | | 2002 | 1,078,294 | | 2001 | 1,040,477 | | 2000 | 1,004,078 | | 1999 | 969,061 | | 1998 | 935,273 | | 1997 | 902,434 | | 1996 | 870,476 | | 1995 | 839,195 | | 1994 | 808,408 | | 1993 | 777,724 | | 1992 | 744,357 | | 1991 | 711,663 | | 1990 | 679,695 | | 1989 | 648,437 | | 1988 | 617,940 | | 1987 | 588,260 | | 1986 | 560,873 | | 1985 | 534,462 | | 1984 | 509,018 | | 1983 | 484,469 | | 1982 | 460,897 | | 1981 | 438,275 | | 1980 | 409,611 | | 1979 | 382,158 | | 1978 | 355,961 | | 1977 | 331,016 | | 1976 | 307,399 | | 1975 | 285,044 | | 1974 | 263,988 | | 1973 | 244,141 | | 1972 | 225,462 | | 1971 | 207,796 | | 1970 | 191,101 | | 1969 | 176,774 | | 1968 | 163,668 | | 1967 | 151,737 | | 1966 | 140,588 | | 1965 | 130,176 | | 1964 | 120,479 | | 1963 | 111,434 | | 1962 | 103,016 | | 1961 | 95,193 | | 1960 | 89,311 |
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