Year | Value | 2022 | 173,690 | 2021 | 183,741 | 2020 | 187,951 | 2019 | 191,591 | 2018 | 193,940 | 2017 | 194,758 | 2016 | 194,218 | 2015 | 192,006 | 2014 | 188,116 | 2013 | 183,078 | 2012 | 177,228 | 2011 | 168,709 | 2010 | 158,469 | 2009 | 150,599 | 2008 | 144,027 | 2007 | 137,282 | 2006 | 133,255 | 2005 | 131,972 | 2004 | 130,119 | 2003 | 127,752 | 2002 | 125,570 | 2001 | 122,942 | 2000 | 121,165 | 1999 | 120,296 | 1998 | 120,162 | 1997 | 121,805 | 1996 | 124,544 | 1995 | 127,008 | 1994 | 129,177 | 1993 | 131,073 | 1992 | 131,770 | 1991 | 132,222 | 1990 | 132,330 | 1989 | 131,986 | 1988 | 133,111 | 1987 | 135,179 | 1986 | 137,083 | 1985 | 136,789 | 1984 | 133,881 | 1983 | 123,408 | 1982 | 106,230 | 1981 | 89,392 | 1980 | 77,230 | 1979 | 73,558 | 1978 | 79,939 | 1977 | 92,376 | 1976 | 103,823 | 1975 | 112,103 | 1974 | 115,358 | 1973 | 115,430 | 1972 | 114,356 | 1971 | 112,889 | 1970 | 111,691 | 1969 | 109,383 | 1968 | 106,339 | 1967 | 104,140 | 1966 | 102,722 | 1965 | 102,008 | 1964 | 100,837 | 1963 | 98,530 | 1962 | 95,996 | 1961 | 93,500 | 1960 | 88,929 |
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