Year | Value | 2022 | 1,520,926 | 2021 | 1,514,258 | 2020 | 1,499,381 | 2019 | 1,470,022 | 2018 | 1,434,229 | 2017 | 1,393,905 | 2016 | 1,349,849 | 2015 | 1,304,128 | 2014 | 1,255,302 | 2013 | 1,203,155 | 2012 | 1,149,863 | 2011 | 1,096,056 | 2010 | 1,042,382 | 2009 | 989,693 | 2008 | 936,809 | 2007 | 884,623 | 2006 | 835,051 | 2005 | 789,157 | 2004 | 749,356 | 2003 | 715,982 | 2002 | 686,647 | 2001 | 659,548 | 2000 | 634,262 | 1999 | 610,614 | 1998 | 588,504 | 1997 | 567,233 | 1996 | 546,507 | 1995 | 525,474 | 1994 | 502,657 | 1993 | 478,740 | 1992 | 455,477 | 1991 | 433,835 | 1990 | 414,082 | 1989 | 395,867 | 1988 | 379,099 | 1987 | 363,146 | 1986 | 348,761 | 1985 | 335,646 | 1984 | 323,125 | 1983 | 312,228 | 1982 | 302,715 | 1981 | 294,268 | 1980 | 286,659 | 1979 | 281,351 | 1978 | 278,592 | 1977 | 277,843 | 1976 | 278,536 | 1975 | 278,914 | 1974 | 277,163 | 1973 | 273,153 | 1972 | 267,519 | 1971 | 260,939 | 1970 | 255,248 | 1969 | 250,480 | 1968 | 246,358 | 1967 | 242,738 | 1966 | 238,900 | 1965 | 234,574 | 1964 | 230,121 | 1963 | 225,886 | 1962 | 221,641 | 1961 | 217,201 | 1960 | 212,871 |
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