Year | Value | 2022 | 197,904 | 2021 | 182,161 | 2020 | 171,632 | 2019 | 167,138 | 2018 | 164,698 | 2017 | 165,840 | 2016 | 170,254 | 2015 | 173,790 | 2014 | 173,948 | 2013 | 172,661 | 2012 | 171,956 | 2011 | 172,487 | 2010 | 172,544 | 2009 | 172,118 | 2008 | 170,274 | 2007 | 167,237 | 2006 | 163,086 | 2005 | 159,053 | 2004 | 156,543 | 2003 | 155,446 | 2002 | 154,463 | 2001 | 153,247 | 2000 | 151,847 | 1999 | 147,285 | 1998 | 136,655 | 1997 | 122,849 | 1996 | 109,034 | 1995 | 96,830 | 1994 | 91,796 | 1993 | 96,578 | 1992 | 105,713 | 1991 | 113,802 | 1990 | 118,579 | 1989 | 118,964 | 1988 | 116,816 | 1987 | 114,762 | 1986 | 113,843 | 1985 | 113,413 | 1984 | 112,813 | 1983 | 112,398 | 1982 | 111,839 | 1981 | 111,528 | 1980 | 111,139 | 1979 | 109,737 | 1978 | 107,897 | 1977 | 105,877 | 1976 | 103,698 | 1975 | 101,683 | 1974 | 99,517 | 1973 | 97,468 | 1972 | 95,455 | 1971 | 93,148 | 1970 | 91,477 | 1969 | 90,857 | 1968 | 90,819 | 1967 | 90,940 | 1966 | 90,648 | 1965 | 90,683 | 1964 | 90,546 | 1963 | 90,302 | 1962 | 90,623 | 1961 | 91,205 | 1960 | 91,654 |
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