Year | Value | 2022 | 171,796 | 2021 | 169,490 | 2020 | 168,828 | 2019 | 169,655 | 2018 | 171,343 | 2017 | 174,166 | 2016 | 177,766 | 2015 | 180,319 | 2014 | 181,726 | 2013 | 182,692 | 2012 | 182,517 | 2011 | 180,805 | 2010 | 178,791 | 2009 | 176,166 | 2008 | 172,617 | 2007 | 168,949 | 2006 | 165,569 | 2005 | 162,495 | 2004 | 159,867 | 2003 | 158,053 | 2002 | 156,951 | 2001 | 156,605 | 2000 | 156,599 | 1999 | 155,975 | 1998 | 154,979 | 1997 | 153,915 | 1996 | 151,831 | 1995 | 149,606 | 1994 | 148,319 | 1993 | 147,498 | 1992 | 147,912 | 1991 | 150,636 | 1990 | 152,755 | 1989 | 152,265 | 1988 | 149,267 | 1987 | 142,875 | 1986 | 132,930 | 1985 | 122,991 | 1984 | 115,512 | 1983 | 109,629 | 1982 | 105,378 | 1981 | 102,587 | 1980 | 100,308 | 1979 | 97,717 | 1978 | 95,532 | 1977 | 94,807 | 1976 | 95,767 | 1975 | 97,719 | 1974 | 100,076 | 1973 | 102,748 | 1972 | 105,032 | 1971 | 107,068 | 1970 | 109,398 | 1969 | 112,103 | 1968 | 115,716 | 1967 | 119,759 | 1966 | 123,559 | 1965 | 128,055 | 1964 | 130,742 | 1963 | 130,695 | 1962 | 130,675 | 1961 | 129,750 | 1960 | 126,808 |
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