Year | Value | 2022 | 671,082 | 2021 | 649,376 | 2020 | 624,991 | 2019 | 598,265 | 2018 | 573,756 | 2017 | 549,975 | 2016 | 526,595 | 2015 | 505,749 | 2014 | 482,122 | 2013 | 456,205 | 2012 | 433,194 | 2011 | 408,240 | 2010 | 387,690 | 2009 | 373,430 | 2008 | 356,923 | 2007 | 350,391 | 2006 | 345,956 | 2005 | 330,233 | 2004 | 317,669 | 2003 | 305,820 | 2002 | 284,315 | 2001 | 267,445 | 2000 | 266,232 | 1999 | 264,175 | 1998 | 256,558 | 1997 | 250,926 | 1996 | 247,354 | 1995 | 244,681 | 1994 | 236,772 | 1993 | 219,548 | 1992 | 192,656 | 1991 | 173,859 | 1990 | 174,685 | 1989 | 175,840 | 1988 | 172,874 | 1987 | 174,388 | 1986 | 179,532 | 1985 | 183,888 | 1984 | 182,359 | 1983 | 179,647 | 1982 | 184,090 | 1981 | 205,960 | 1980 | 233,437 | 1979 | 246,020 | 1978 | 248,449 | 1977 | 246,804 | 1976 | 244,478 | 1975 | 241,396 | 1974 | 237,287 | 1973 | 232,331 | 1972 | 226,883 | 1971 | 221,656 | 1970 | 216,763 | 1969 | 212,054 | 1968 | 207,676 | 1967 | 203,614 | 1966 | 199,758 | 1965 | 195,981 | 1964 | 192,358 | 1963 | 189,037 | 1962 | 185,898 | 1961 | 182,847 | 1960 | 179,902 |
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