Year | Value | 2022 | 479,885 | 2021 | 480,657 | 2020 | 484,198 | 2019 | 481,563 | 2018 | 474,447 | 2017 | 468,150 | 2016 | 458,815 | 2015 | 447,194 | 2014 | 435,641 | 2013 | 424,774 | 2012 | 414,632 | 2011 | 404,285 | 2010 | 393,153 | 2009 | 383,332 | 2008 | 373,847 | 2007 | 366,812 | 2006 | 359,741 | 2005 | 354,008 | 2004 | 348,563 | 2003 | 342,205 | 2002 | 335,749 | 2001 | 329,885 | 2000 | 322,468 | 1999 | 312,387 | 1998 | 302,597 | 1997 | 294,561 | 1996 | 287,355 | 1995 | 281,784 | 1994 | 278,015 | 1993 | 275,403 | 1992 | 272,040 | 1991 | 265,294 | 1990 | 252,097 | 1989 | 247,121 | 1988 | 245,843 | 1987 | 244,530 | 1986 | 242,307 | 1985 | 239,447 | 1984 | 236,120 | 1983 | 233,651 | 1982 | 231,320 | 1981 | 231,902 | 1980 | 233,158 | 1979 | 232,787 | 1978 | 231,385 | 1977 | 229,261 | 1976 | 225,444 | 1975 | 220,976 | 1974 | 214,673 | 1973 | 205,636 | 1972 | 194,886 | 1971 | 186,400 | 1970 | 176,342 | 1969 | 167,732 | 1968 | 161,400 | 1967 | 156,490 | 1966 | 148,502 | 1965 | 143,775 | 1964 | 138,753 | 1963 | 133,998 | 1962 | 130,440 | 1961 | 126,299 | 1960 | 124,305 |
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