Year | Value | 2022 | 126,756 | 2021 | 129,625 | 2020 | 138,457 | 2019 | 141,766 | 2018 | 144,241 | 2017 | 147,033 | 2016 | 150,067 | 2015 | 152,187 | 2014 | 155,128 | 2013 | 157,707 | 2012 | 159,383 | 2011 | 160,755 | 2010 | 162,202 | 2009 | 163,119 | 2008 | 163,013 | 2007 | 162,308 | 2006 | 160,084 | 2005 | 156,914 | 2004 | 154,449 | 2003 | 151,926 | 2002 | 148,516 | 2001 | 145,119 | 2000 | 144,542 | 1999 | 136,794 | 1998 | 130,533 | 1997 | 126,941 | 1996 | 125,329 | 1995 | 129,156 | 1994 | 137,071 | 1993 | 141,949 | 1992 | 145,097 | 1991 | 151,308 | 1990 | 156,949 | 1989 | 159,469 | 1988 | 162,201 | 1987 | 164,816 | 1986 | 166,693 | 1985 | 168,689 | 1984 | 170,019 | 1983 | 169,357 | 1982 | 167,380 | 1981 | 165,204 | 1980 | 163,312 | 1979 | 161,889 | 1978 | 160,998 | 1977 | 160,363 | 1976 | 159,448 | 1975 | 157,355 | 1974 | 152,445 | 1973 | 142,758 | 1972 | 128,494 | 1971 | 112,766 | 1970 | 100,337 | 1969 | 94,935 | 1968 | 97,610 | 1967 | 106,951 | 1966 | 119,135 | 1965 | 129,787 | 1964 | 136,743 | 1963 | 140,029 | 1962 | 140,622 | 1961 | 139,818 | 1960 | 138,401 |
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