Year | Value | 2022 | 173,155 | 2021 | 175,497 | 2020 | 179,884 | 2019 | 184,506 | 2018 | 188,123 | 2017 | 192,077 | 2016 | 195,804 | 2015 | 196,370 | 2014 | 195,318 | 2013 | 195,547 | 2012 | 197,277 | 2011 | 201,546 | 2010 | 207,636 | 2009 | 213,315 | 2008 | 217,165 | 2007 | 217,167 | 2006 | 212,772 | 2005 | 206,952 | 2004 | 201,451 | 2003 | 196,266 | 2002 | 192,695 | 2001 | 190,903 | 2000 | 189,879 | 1999 | 189,301 | 1998 | 189,303 | 1997 | 189,191 | 1996 | 188,287 | 1995 | 187,414 | 1994 | 187,658 | 1993 | 189,196 | 1992 | 193,140 | 1991 | 199,963 | 1990 | 207,058 | 1989 | 212,284 | 1988 | 213,723 | 1987 | 209,959 | 1986 | 200,531 | 1985 | 187,970 | 1984 | 176,276 | 1983 | 166,852 | 1982 | 159,375 | 1981 | 154,193 | 1980 | 150,737 | 1979 | 147,334 | 1978 | 144,104 | 1977 | 141,347 | 1976 | 139,349 | 1975 | 138,345 | 1974 | 137,809 | 1973 | 137,983 | 1972 | 138,922 | 1971 | 140,058 | 1970 | 141,286 | 1969 | 143,122 | 1968 | 145,398 | 1967 | 146,910 | 1966 | 149,157 | 1965 | 152,683 | 1964 | 154,002 | 1963 | 153,407 | 1962 | 153,011 | 1961 | 151,427 | 1960 | 148,425 |
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