Year | Value | 2022 | 150,829 | 2021 | 150,767 | 2020 | 150,828 | 2019 | 149,884 | 2018 | 151,357 | 2017 | 151,762 | 2016 | 151,059 | 2015 | 150,496 | 2014 | 150,764 | 2013 | 151,656 | 2012 | 153,301 | 2011 | 153,982 | 2010 | 152,626 | 2009 | 149,648 | 2008 | 146,455 | 2007 | 143,184 | 2006 | 140,530 | 2005 | 139,271 | 2004 | 138,968 | 2003 | 138,198 | 2002 | 137,310 | 2001 | 136,957 | 2000 | 137,922 | 1999 | 139,108 | 1998 | 140,718 | 1997 | 141,861 | 1996 | 142,751 | 1995 | 143,607 | 1994 | 144,063 | 1993 | 143,723 | 1992 | 142,472 | 1991 | 140,545 | 1990 | 132,578 | 1989 | 129,406 | 1988 | 126,861 | 1987 | 124,418 | 1986 | 121,959 | 1985 | 121,815 | 1984 | 121,541 | 1983 | 121,299 | 1982 | 121,005 | 1981 | 122,117 | 1980 | 124,736 | 1979 | 127,928 | 1978 | 132,583 | 1977 | 137,841 | 1976 | 143,129 | 1975 | 147,205 | 1974 | 148,671 | 1973 | 148,444 | 1972 | 147,271 | 1971 | 145,988 | 1970 | 144,985 | 1969 | 144,245 | 1968 | 144,952 | 1967 | 147,023 | 1966 | 148,808 | 1965 | 150,585 | 1964 | 151,346 | 1963 | 150,039 | 1962 | 148,141 | 1961 | 144,606 | 1960 | 140,915 |
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