Year | Value | 2022 | 505,314 | 2021 | 495,655 | 2020 | 475,282 | 2019 | 445,906 | 2018 | 411,389 | 2017 | 377,612 | 2016 | 351,608 | 2015 | 334,530 | 2014 | 324,281 | 2013 | 321,624 | 2012 | 322,443 | 2011 | 321,261 | 2010 | 318,546 | 2009 | 315,237 | 2008 | 310,992 | 2007 | 307,613 | 2006 | 304,942 | 2005 | 301,571 | 2004 | 297,320 | 2003 | 292,417 | 2002 | 286,360 | 2001 | 279,602 | 2000 | 273,030 | 1999 | 266,395 | 1998 | 259,051 | 1997 | 251,299 | 1996 | 243,225 | 1995 | 234,628 | 1994 | 225,991 | 1993 | 218,033 | 1992 | 211,205 | 1991 | 205,778 | 1990 | 201,456 | 1989 | 197,728 | 1988 | 194,559 | 1987 | 191,702 | 1986 | 188,790 | 1985 | 185,861 | 1984 | 182,780 | 1983 | 179,260 | 1982 | 175,592 | 1981 | 172,275 | 1980 | 170,207 | 1979 | 169,323 | 1978 | 168,568 | 1977 | 167,511 | 1976 | 166,149 | 1975 | 164,812 | 1974 | 163,734 | 1973 | 163,127 | 1972 | 162,813 | 1971 | 162,073 | 1970 | 160,445 | 1969 | 158,085 | 1968 | 155,032 | 1967 | 151,341 | 1966 | 147,512 | 1965 | 143,853 | 1964 | 140,250 | 1963 | 136,748 | 1962 | 133,155 | 1961 | 128,799 | 1960 | 123,348 |
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