Year | Value | 2022 | 163,484 | 2021 | 167,964 | 2020 | 172,439 | 2019 | 176,386 | 2018 | 179,066 | 2017 | 180,995 | 2016 | 182,903 | 2015 | 184,641 | 2014 | 186,268 | 2013 | 188,087 | 2012 | 189,396 | 2011 | 189,679 | 2010 | 189,399 | 2009 | 188,647 | 2008 | 187,567 | 2007 | 187,071 | 2006 | 188,135 | 2005 | 190,562 | 2004 | 193,508 | 2003 | 196,367 | 2002 | 199,126 | 2001 | 201,380 | 2000 | 202,908 | 1999 | 204,364 | 1998 | 205,998 | 1997 | 207,541 | 1996 | 208,931 | 1995 | 210,350 | 1994 | 211,537 | 1993 | 212,473 | 1992 | 213,166 | 1991 | 213,467 | 1990 | 213,117 | 1989 | 211,827 | 1988 | 209,408 | 1987 | 205,840 | 1986 | 201,220 | 1985 | 195,786 | 1984 | 190,146 | 1983 | 184,473 | 1982 | 178,650 | 1981 | 172,840 | 1980 | 167,072 | 1979 | 161,373 | 1978 | 156,074 | 1977 | 151,577 | 1976 | 148,052 | 1975 | 145,586 | 1974 | 144,134 | 1973 | 143,452 | 1972 | 143,645 | 1971 | 144,601 | 1970 | 145,833 | 1969 | 147,097 | 1968 | 148,309 | 1967 | 148,908 | 1966 | 148,468 | 1965 | 147,155 | 1964 | 144,937 | 1963 | 141,862 | 1962 | 138,015 | 1961 | 133,540 | 1960 | 128,702 |
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