Year | Value | 2022 | 171,846 | 2021 | 173,222 | 2020 | 173,395 | 2019 | 175,365 | 2018 | 178,770 | 2017 | 181,914 | 2016 | 184,247 | 2015 | 185,939 | 2014 | 186,140 | 2013 | 186,670 | 2012 | 189,687 | 2011 | 193,985 | 2010 | 198,409 | 2009 | 202,626 | 2008 | 205,241 | 2007 | 206,128 | 2006 | 205,657 | 2005 | 203,388 | 2004 | 199,221 | 2003 | 194,094 | 2002 | 188,141 | 2001 | 179,429 | 2000 | 169,161 | 1999 | 161,107 | 1998 | 154,103 | 1997 | 146,982 | 1996 | 142,660 | 1995 | 141,247 | 1994 | 139,477 | 1993 | 137,196 | 1992 | 135,216 | 1991 | 133,404 | 1990 | 132,025 | 1989 | 130,843 | 1988 | 130,718 | 1987 | 132,582 | 1986 | 135,656 | 1985 | 138,398 | 1984 | 140,786 | 1983 | 142,799 | 1982 | 143,353 | 1981 | 143,130 | 1980 | 142,936 | 1979 | 142,904 | 1978 | 144,381 | 1977 | 146,859 | 1976 | 148,899 | 1975 | 148,677 | 1974 | 145,097 | 1973 | 132,828 | 1972 | 113,779 | 1971 | 95,712 | 1970 | 83,411 | 1969 | 80,656 | 1968 | 88,214 | 1967 | 101,521 | 1966 | 113,598 | 1965 | 122,395 | 1964 | 125,804 | 1963 | 125,802 | 1962 | 124,778 | 1961 | 123,360 | 1960 | 119,665 |
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