Year | Value | 2022 | 533,481 | 2021 | 511,246 | 2020 | 495,727 | 2019 | 478,114 | 2018 | 459,756 | 2017 | 443,079 | 2016 | 429,590 | 2015 | 417,809 | 2014 | 405,478 | 2013 | 392,214 | 2012 | 376,478 | 2011 | 353,661 | 2010 | 321,192 | 2009 | 282,021 | 2008 | 243,346 | 2007 | 217,690 | 2006 | 213,994 | 2005 | 232,157 | 2004 | 266,464 | 2003 | 306,124 | 2002 | 339,236 | 2001 | 356,654 | 2000 | 354,647 | 1999 | 334,790 | 1998 | 306,600 | 1997 | 280,562 | 1996 | 261,029 | 1995 | 255,317 | 1994 | 267,290 | 1993 | 288,844 | 1992 | 311,181 | 1991 | 330,127 | 1990 | 339,537 | 1989 | 338,952 | 1988 | 335,693 | 1987 | 314,038 | 1986 | 285,678 | 1985 | 259,487 | 1984 | 238,107 | 1983 | 219,555 | 1982 | 206,095 | 1981 | 198,418 | 1980 | 196,768 | 1979 | 201,831 | 1978 | 214,733 | 1977 | 232,098 | 1976 | 246,851 | 1975 | 254,623 | 1974 | 255,842 | 1973 | 250,390 | 1972 | 239,715 | 1971 | 229,018 | 1970 | 221,361 | 1969 | 215,523 | 1968 | 210,963 | 1967 | 207,766 | 1966 | 203,039 | 1965 | 194,610 | 1964 | 183,054 | 1963 | 169,126 | 1962 | 153,540 | 1961 | 138,956 | 1960 | 126,938 |
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