Year | Value | 2022 | 181,093 | 2021 | 177,334 | 2020 | 173,820 | 2019 | 170,976 | 2018 | 168,702 | 2017 | 167,104 | 2016 | 165,910 | 2015 | 164,371 | 2014 | 161,731 | 2013 | 157,505 | 2012 | 151,180 | 2011 | 142,835 | 2010 | 133,236 | 2009 | 123,144 | 2008 | 113,461 | 2007 | 104,996 | 2006 | 97,869 | 2005 | 91,680 | 2004 | 85,965 | 2003 | 80,370 | 2002 | 74,537 | 2001 | 68,340 | 2000 | 62,232 | 1999 | 56,904 | 1998 | 52,721 | 1997 | 50,416 | 1996 | 51,616 | 1995 | 56,939 | 1994 | 64,956 | 1993 | 73,604 | 1992 | 80,781 | 1991 | 84,313 | 1990 | 84,355 | 1989 | 82,298 | 1988 | 80,332 | 1987 | 79,294 | 1986 | 78,384 | 1985 | 78,496 | 1984 | 78,968 | 1983 | 79,823 | 1982 | 81,179 | 1981 | 81,264 | 1980 | 78,981 | 1979 | 74,570 | 1978 | 68,244 | 1977 | 60,534 | 1976 | 53,160 | 1975 | 47,159 | 1974 | 42,299 | 1973 | 38,384 | 1972 | 35,641 | 1971 | 33,825 | 1970 | 32,723 | 1969 | 32,469 | 1968 | 32,899 | 1967 | 33,610 | 1966 | 34,273 | 1965 | 34,543 | 1964 | 34,446 | 1963 | 34,299 | 1962 | 34,181 | 1961 | 34,135 | 1960 | 34,389 |
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