Year | Value | 2022 | 197,380 | 2021 | 190,743 | 2020 | 184,819 | 2019 | 178,690 | 2018 | 172,677 | 2017 | 167,706 | 2016 | 163,765 | 2015 | 161,195 | 2014 | 161,107 | 2013 | 163,195 | 2012 | 165,981 | 2011 | 169,427 | 2010 | 174,276 | 2009 | 179,133 | 2008 | 183,017 | 2007 | 187,401 | 2006 | 192,119 | 2005 | 194,176 | 2004 | 194,492 | 2003 | 195,635 | 2002 | 197,995 | 2001 | 202,650 | 2000 | 209,066 | 1999 | 215,082 | 1998 | 219,312 | 1997 | 219,562 | 1996 | 214,843 | 1995 | 208,139 | 1994 | 201,886 | 1993 | 196,366 | 1992 | 192,600 | 1991 | 190,785 | 1990 | 189,896 | 1989 | 189,681 | 1988 | 190,248 | 1987 | 190,669 | 1986 | 190,172 | 1985 | 189,871 | 1984 | 190,610 | 1983 | 192,499 | 1982 | 196,931 | 1981 | 204,251 | 1980 | 211,721 | 1979 | 216,941 | 1978 | 217,954 | 1977 | 213,718 | 1976 | 204,043 | 1975 | 191,553 | 1974 | 179,850 | 1973 | 170,009 | 1972 | 161,971 | 1971 | 156,463 | 1970 | 152,543 | 1969 | 148,663 | 1968 | 145,398 | 1967 | 142,681 | 1966 | 140,586 | 1965 | 139,306 | 1964 | 138,494 | 1963 | 138,615 | 1962 | 139,544 | 1961 | 140,505 | 1960 | 141,930 |
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