Year | Value | 2022 | 157,242 | 2021 | 154,950 | 2020 | 154,545 | 2019 | 155,127 | 2018 | 155,567 | 2017 | 156,430 | 2016 | 157,722 | 2015 | 158,340 | 2014 | 158,127 | 2013 | 157,989 | 2012 | 157,594 | 2011 | 156,827 | 2010 | 156,385 | 2009 | 155,761 | 2008 | 154,339 | 2007 | 151,891 | 2006 | 148,042 | 2005 | 143,206 | 2004 | 138,499 | 2003 | 134,401 | 2002 | 131,403 | 2001 | 130,005 | 2000 | 129,586 | 1999 | 129,472 | 1998 | 129,636 | 1997 | 129,686 | 1996 | 129,950 | 1995 | 131,543 | 1994 | 134,769 | 1993 | 138,822 | 1992 | 143,941 | 1991 | 149,754 | 1990 | 154,289 | 1989 | 158,007 | 1988 | 161,276 | 1987 | 162,910 | 1986 | 163,084 | 1985 | 162,954 | 1984 | 162,050 | 1983 | 160,082 | 1982 | 157,771 | 1981 | 155,250 | 1980 | 152,816 | 1979 | 150,978 | 1978 | 149,909 | 1977 | 149,614 | 1976 | 150,129 | 1975 | 150,749 | 1974 | 150,867 | 1973 | 150,758 | 1972 | 150,331 | 1971 | 148,758 | 1970 | 147,179 | 1969 | 146,633 | 1968 | 146,549 | 1967 | 147,698 | 1966 | 151,089 | 1965 | 153,966 | 1964 | 154,359 | 1963 | 151,935 | 1962 | 146,026 | 1961 | 136,373 | 1960 | 126,277 |
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