Year | Value | 2022 | 138,895 | 2021 | 139,433 | 2020 | 139,341 | 2019 | 138,148 | 2018 | 137,134 | 2017 | 135,484 | 2016 | 133,229 | 2015 | 130,740 | 2014 | 128,345 | 2013 | 125,935 | 2012 | 123,929 | 2011 | 123,159 | 2010 | 123,144 | 2009 | 123,980 | 2008 | 125,311 | 2007 | 125,365 | 2006 | 125,442 | 2005 | 125,937 | 2004 | 126,993 | 2003 | 127,632 | 2002 | 127,291 | 2001 | 127,021 | 2000 | 128,586 | 1999 | 132,209 | 1998 | 138,505 | 1997 | 148,569 | 1996 | 162,181 | 1995 | 176,951 | 1994 | 189,924 | 1993 | 195,450 | 1992 | 193,757 | 1991 | 190,081 | 1990 | 185,459 | 1989 | 181,008 | 1988 | 176,212 | 1987 | 171,339 | 1986 | 166,791 | 1985 | 161,934 | 1984 | 156,740 | 1983 | 151,322 | 1982 | 145,351 | 1981 | 137,824 | 1980 | 128,131 | 1979 | 116,954 | 1978 | 106,863 | 1977 | 101,172 | 1976 | 102,078 | 1975 | 110,229 | 1974 | 123,980 | 1973 | 139,626 | 1972 | 153,184 | 1971 | 161,730 | 1970 | 165,009 | 1969 | 167,085 | 1968 | 169,051 | 1967 | 168,301 | 1966 | 165,500 | 1965 | 161,899 | 1964 | 160,306 | 1963 | 162,988 | 1962 | 168,213 | 1961 | 172,330 | 1960 | 171,649 |
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