Year | Value | 2022 | 179,813 | 2021 | 187,357 | 2020 | 193,402 | 2019 | 203,772 | 2018 | 218,212 | 2017 | 231,957 | 2016 | 244,451 | 2015 | 255,111 | 2014 | 251,337 | 2013 | 225,869 | 2012 | 204,473 | 2011 | 197,607 | 2010 | 193,765 | 2009 | 190,568 | 2008 | 187,340 | 2007 | 183,959 | 2006 | 180,621 | 2005 | 178,423 | 2004 | 176,622 | 2003 | 174,481 | 2002 | 172,749 | 2001 | 171,149 | 2000 | 169,229 | 1999 | 167,325 | 1998 | 165,479 | 1997 | 163,515 | 1996 | 161,264 | 1995 | 158,781 | 1994 | 156,177 | 1993 | 153,379 | 1992 | 150,293 | 1991 | 146,945 | 1990 | 143,543 | 1989 | 140,105 | 1988 | 136,623 | 1987 | 133,152 | 1986 | 129,055 | 1985 | 124,999 | 1984 | 119,821 | 1983 | 112,912 | 1982 | 105,540 | 1981 | 97,232 | 1980 | 88,501 | 1979 | 81,755 | 1978 | 86,226 | 1977 | 91,586 | 1976 | 80,254 | 1975 | 69,804 | 1974 | 68,820 | 1973 | 68,330 | 1972 | 68,148 | 1971 | 68,022 | 1970 | 67,864 | 1969 | 67,598 | 1968 | 66,986 | 1967 | 66,222 | 1966 | 65,457 | 1965 | 64,712 | 1964 | 63,988 | 1963 | 63,135 | 1962 | 62,112 | 1961 | 60,810 | 1960 | 59,222 |
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