Year | Value | 2022 | 158,048 | 2021 | 166,268 | 2020 | 169,015 | 2019 | 171,053 | 2018 | 172,213 | 2017 | 171,977 | 2016 | 170,673 | 2015 | 168,213 | 2014 | 163,999 | 2013 | 158,664 | 2012 | 152,556 | 2011 | 144,086 | 2010 | 133,983 | 2009 | 125,613 | 2008 | 118,479 | 2007 | 111,405 | 2006 | 106,838 | 2005 | 105,315 | 2004 | 103,716 | 2003 | 101,252 | 2002 | 98,992 | 2001 | 96,592 | 2000 | 94,743 | 1999 | 94,097 | 1998 | 94,540 | 1997 | 96,196 | 1996 | 98,745 | 1995 | 101,163 | 1994 | 103,058 | 1993 | 104,615 | 1992 | 105,452 | 1991 | 106,151 | 1990 | 106,700 | 1989 | 107,015 | 1988 | 108,557 | 1987 | 110,568 | 1986 | 112,335 | 1985 | 112,618 | 1984 | 111,019 | 1983 | 103,316 | 1982 | 89,995 | 1981 | 76,822 | 1980 | 67,188 | 1979 | 64,287 | 1978 | 70,111 | 1977 | 81,603 | 1976 | 92,528 | 1975 | 100,632 | 1974 | 104,061 | 1973 | 104,708 | 1972 | 104,349 | 1971 | 103,208 | 1970 | 102,145 | 1969 | 99,916 | 1968 | 96,579 | 1967 | 94,174 | 1966 | 92,854 | 1965 | 92,290 | 1964 | 91,188 | 1963 | 88,684 | 1962 | 85,564 | 1961 | 81,948 | 1960 | 76,233 |
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