Year | Value | 2022 | 700,936 | 2021 | 661,258 | 2020 | 623,039 | 2019 | 586,773 | 2018 | 550,747 | 2017 | 520,913 | 2016 | 505,266 | 2015 | 504,228 | 2014 | 497,009 | 2013 | 488,568 | 2012 | 490,545 | 2011 | 489,827 | 2010 | 487,186 | 2009 | 486,571 | 2008 | 481,271 | 2007 | 470,702 | 2006 | 462,626 | 2005 | 454,483 | 2004 | 444,867 | 2003 | 433,841 | 2002 | 423,901 | 2001 | 414,107 | 2000 | 401,646 | 1999 | 386,840 | 1998 | 368,359 | 1997 | 349,678 | 1996 | 338,278 | 1995 | 329,990 | 1994 | 299,461 | 1993 | 287,769 | 1992 | 296,166 | 1991 | 287,460 | 1990 | 281,465 | 1989 | 276,567 | 1988 | 273,229 | 1987 | 268,221 | 1986 | 262,081 | 1985 | 258,007 | 1984 | 253,448 | 1983 | 248,454 | 1982 | 243,612 | 1981 | 239,840 | 1980 | 231,159 | 1979 | 221,887 | 1978 | 217,359 | 1977 | 211,477 | 1976 | 206,594 | 1975 | 202,927 | 1974 | 198,625 | 1973 | 193,883 | 1972 | 194,860 | 1971 | 196,592 | 1970 | 193,928 | 1969 | 188,733 | 1968 | 181,218 | 1967 | 173,936 | 1966 | 166,131 | 1965 | 158,335 | 1964 | 152,831 | 1963 | 149,357 | 1962 | 146,380 | 1961 | 142,491 | 1960 | 138,339 |
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