Year | Value | 2022 | 134,472 | 2021 | 136,071 | 2020 | 139,008 | 2019 | 141,833 | 2018 | 144,338 | 2017 | 146,649 | 2016 | 148,108 | 2015 | 149,454 | 2014 | 151,096 | 2013 | 152,110 | 2012 | 151,732 | 2011 | 150,742 | 2010 | 149,215 | 2009 | 146,837 | 2008 | 144,602 | 2007 | 142,701 | 2006 | 141,269 | 2005 | 141,059 | 2004 | 141,759 | 2003 | 142,520 | 2002 | 143,694 | 2001 | 145,501 | 2000 | 146,839 | 1999 | 147,006 | 1998 | 147,077 | 1997 | 147,233 | 1996 | 147,285 | 1995 | 147,525 | 1994 | 147,511 | 1993 | 146,516 | 1992 | 144,307 | 1991 | 140,886 | 1990 | 136,557 | 1989 | 132,299 | 1988 | 128,341 | 1987 | 125,353 | 1986 | 124,100 | 1985 | 123,738 | 1984 | 123,883 | 1983 | 124,644 | 1982 | 125,055 | 1981 | 125,475 | 1980 | 127,317 | 1979 | 130,856 | 1978 | 135,282 | 1977 | 140,615 | 1976 | 146,571 | 1975 | 151,277 | 1974 | 154,832 | 1973 | 157,916 | 1972 | 159,715 | 1971 | 160,105 | 1970 | 160,224 | 1969 | 159,507 | 1968 | 157,625 | 1967 | 155,473 | 1966 | 153,426 | 1965 | 151,560 | 1964 | 150,013 | 1963 | 149,297 | 1962 | 149,255 | 1961 | 149,798 | 1960 | 150,562 |
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