Year | Value | 2022 | 470,957 | 2021 | 464,013 | 2020 | 455,035 | 2019 | 446,332 | 2018 | 439,852 | 2017 | 435,958 | 2016 | 433,777 | 2015 | 432,209 | 2014 | 429,405 | 2013 | 423,778 | 2012 | 415,017 | 2011 | 403,606 | 2010 | 392,581 | 2009 | 384,129 | 2008 | 378,288 | 2007 | 374,930 | 2006 | 373,319 | 2005 | 372,002 | 2004 | 369,568 | 2003 | 365,671 | 2002 | 360,470 | 2001 | 353,981 | 2000 | 346,369 | 1999 | 338,256 | 1998 | 329,698 | 1997 | 320,418 | 1996 | 310,764 | 1995 | 300,240 | 1994 | 288,296 | 1993 | 275,154 | 1992 | 261,100 | 1991 | 246,434 | 1990 | 232,176 | 1989 | 219,010 | 1988 | 205,818 | 1987 | 193,650 | 1986 | 184,091 | 1985 | 176,358 | 1984 | 170,240 | 1983 | 166,097 | 1982 | 162,129 | 1981 | 156,817 | 1980 | 150,934 | 1979 | 144,863 | 1978 | 138,628 | 1977 | 132,583 | 1976 | 127,397 | 1975 | 123,817 | 1974 | 121,777 | 1973 | 120,966 | 1972 | 121,053 | 1971 | 121,003 | 1970 | 120,245 | 1969 | 119,010 | 1968 | 117,383 | 1967 | 115,619 | 1966 | 114,376 | 1965 | 113,529 | 1964 | 112,944 | 1963 | 112,706 | 1962 | 112,685 | 1961 | 112,814 | 1960 | 112,933 |
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