| Year | Value | | 2022 | 421,332 | | 2021 | 413,068 | | 2020 | 403,441 | | 2019 | 397,762 | | 2018 | 388,727 | | 2017 | 377,842 | | 2016 | 365,837 | | 2015 | 349,277 | | 2014 | 331,453 | | 2013 | 313,471 | | 2012 | 297,196 | | 2011 | 283,499 | | 2010 | 270,973 | | 2009 | 259,983 | | 2008 | 250,251 | | 2007 | 242,112 | | 2006 | 235,676 | | 2005 | 230,445 | | 2004 | 225,772 | | 2003 | 221,993 | | 2002 | 218,517 | | 2001 | 215,894 | | 2000 | 214,876 | | 1999 | 214,484 | | 1998 | 214,272 | | 1997 | 214,626 | | 1996 | 214,660 | | 1995 | 213,960 | | 1994 | 212,486 | | 1993 | 210,120 | | 1992 | 207,035 | | 1991 | 203,782 | | 1990 | 200,458 | | 1989 | 197,026 | | 1988 | 193,222 | | 1987 | 188,949 | | 1986 | 184,490 | | 1985 | 180,004 | | 1984 | 175,588 | | 1983 | 171,358 | | 1982 | 167,289 | | 1981 | 163,110 | | 1980 | 158,712 | | 1979 | 154,146 | | 1978 | 149,327 | | 1977 | 144,453 | | 1976 | 139,780 | | 1975 | 135,286 | | 1974 | 130,982 | | 1973 | 126,916 | | 1972 | 122,999 | | 1971 | 118,815 | | 1970 | 114,372 | | 1969 | 110,085 | | 1968 | 105,800 | | 1967 | 101,487 | | 1966 | 97,661 | | 1965 | 94,579 | | 1964 | 92,203 | | 1963 | 90,562 | | 1962 | 89,525 | | 1961 | 88,673 | | 1960 | 87,828 |
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