Year | Value | 2022 | 460,960 | 2021 | 452,324 | 2020 | 446,195 | 2019 | 442,223 | 2018 | 439,605 | 2017 | 437,510 | 2016 | 436,403 | 2015 | 435,981 | 2014 | 434,306 | 2013 | 431,708 | 2012 | 427,941 | 2011 | 422,076 | 2010 | 413,809 | 2009 | 401,119 | 2008 | 385,160 | 2007 | 368,164 | 2006 | 349,912 | 2005 | 331,140 | 2004 | 313,177 | 2003 | 295,360 | 2002 | 276,554 | 2001 | 257,779 | 2000 | 239,831 | 1999 | 223,355 | 1998 | 209,927 | 1997 | 198,976 | 1996 | 189,435 | 1995 | 181,837 | 1994 | 175,640 | 1993 | 171,895 | 1992 | 171,118 | 1991 | 170,977 | 1990 | 170,632 | 1989 | 170,472 | 1988 | 172,344 | 1987 | 174,985 | 1986 | 175,381 | 1985 | 174,949 | 1984 | 174,580 | 1983 | 173,941 | 1982 | 172,102 | 1981 | 168,795 | 1980 | 164,967 | 1979 | 160,950 | 1978 | 154,931 | 1977 | 146,860 | 1976 | 138,781 | 1975 | 130,718 | 1974 | 122,484 | 1973 | 116,783 | 1972 | 113,932 | 1971 | 111,370 | 1970 | 108,941 | 1969 | 106,620 | 1968 | 104,279 | 1967 | 101,881 | 1966 | 99,499 | 1965 | 97,029 | 1964 | 94,366 | 1963 | 91,730 | 1962 | 89,099 | 1961 | 86,447 | 1960 | 83,992 |
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