Year | Value | 2022 | 145,753 | 2021 | 147,137 | 2020 | 153,791 | 2019 | 154,201 | 2018 | 154,300 | 2017 | 154,479 | 2016 | 153,425 | 2015 | 150,913 | 2014 | 149,585 | 2013 | 147,552 | 2012 | 144,684 | 2011 | 142,010 | 2010 | 136,150 | 2009 | 127,405 | 2008 | 121,423 | 2007 | 118,418 | 2006 | 117,480 | 2005 | 120,627 | 2004 | 126,287 | 2003 | 130,353 | 2002 | 132,944 | 2001 | 135,151 | 2000 | 142,593 | 1999 | 145,854 | 1998 | 148,564 | 1997 | 150,479 | 1996 | 152,198 | 1995 | 155,323 | 1994 | 157,468 | 1993 | 155,579 | 1992 | 152,415 | 1991 | 152,748 | 1990 | 152,520 | 1989 | 150,069 | 1988 | 148,897 | 1987 | 148,368 | 1986 | 147,648 | 1985 | 146,083 | 1984 | 142,436 | 1983 | 133,949 | 1982 | 120,059 | 1981 | 104,011 | 1980 | 90,554 | 1979 | 84,018 | 1978 | 86,425 | 1977 | 96,108 | 1976 | 108,606 | 1975 | 119,442 | 1974 | 126,263 | 1973 | 129,238 | 1972 | 129,758 | 1971 | 128,947 | 1970 | 127,267 | 1969 | 124,823 | 1968 | 121,733 | 1967 | 118,637 | 1966 | 116,135 | 1965 | 114,056 | 1964 | 111,993 | 1963 | 109,605 | 1962 | 106,405 | 1961 | 102,260 | 1960 | 97,717 |
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