Year | Value | 2022 | 239,575 | 2021 | 221,915 | 2020 | 210,324 | 2019 | 206,759 | 2018 | 206,333 | 2017 | 209,656 | 2016 | 216,582 | 2015 | 222,365 | 2014 | 224,013 | 2013 | 224,050 | 2012 | 225,817 | 2011 | 229,783 | 2010 | 232,900 | 2009 | 235,299 | 2008 | 235,827 | 2007 | 234,350 | 2006 | 231,365 | 2005 | 228,563 | 2004 | 227,190 | 2003 | 227,802 | 2002 | 228,678 | 2001 | 229,018 | 2000 | 228,808 | 1999 | 223,320 | 1998 | 208,178 | 1997 | 188,379 | 1996 | 168,755 | 1995 | 152,207 | 1994 | 147,308 | 1993 | 156,771 | 1992 | 172,088 | 1991 | 185,702 | 1990 | 194,544 | 1989 | 196,949 | 1988 | 195,532 | 1987 | 193,990 | 1986 | 193,483 | 1985 | 193,266 | 1984 | 192,553 | 1983 | 191,546 | 1982 | 189,988 | 1981 | 188,831 | 1980 | 187,382 | 1979 | 184,594 | 1978 | 181,011 | 1977 | 177,001 | 1976 | 172,800 | 1975 | 168,619 | 1974 | 164,215 | 1973 | 160,440 | 1972 | 156,502 | 1971 | 151,552 | 1970 | 147,509 | 1969 | 144,592 | 1968 | 141,530 | 1967 | 138,359 | 1966 | 135,337 | 1965 | 132,768 | 1964 | 130,376 | 1963 | 128,379 | 1962 | 127,232 | 1961 | 126,307 | 1960 | 124,996 |
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