Year | Value | 2022 | 620,926 | 2021 | 607,939 | 2020 | 602,998 | 2019 | 595,362 | 2018 | 590,113 | 2017 | 588,143 | 2016 | 584,447 | 2015 | 572,723 | 2014 | 555,441 | 2013 | 534,684 | 2012 | 506,887 | 2011 | 476,640 | 2010 | 452,128 | 2009 | 431,424 | 2008 | 412,423 | 2007 | 396,792 | 2006 | 383,280 | 2005 | 372,396 | 2004 | 361,653 | 2003 | 351,404 | 2002 | 342,077 | 2001 | 334,970 | 2000 | 331,425 | 1999 | 331,966 | 1998 | 333,765 | 1997 | 335,425 | 1996 | 335,540 | 1995 | 333,824 | 1994 | 331,562 | 1993 | 328,760 | 1992 | 325,012 | 1991 | 319,950 | 1990 | 314,012 | 1989 | 305,369 | 1988 | 292,779 | 1987 | 279,170 | 1986 | 266,380 | 1985 | 255,888 | 1984 | 251,134 | 1983 | 251,565 | 1982 | 252,024 | 1981 | 249,547 | 1980 | 244,889 | 1979 | 238,346 | 1978 | 231,062 | 1977 | 224,334 | 1976 | 218,024 | 1975 | 211,974 | 1974 | 206,234 | 1973 | 198,579 | 1972 | 193,238 | 1971 | 187,338 | 1970 | 178,917 | 1969 | 173,920 | 1968 | 169,146 | 1967 | 165,229 | 1966 | 162,416 | 1965 | 157,868 | 1964 | 154,251 | 1963 | 151,609 | 1962 | 150,024 | 1961 | 148,924 | 1960 | 149,822 |
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