Year | Value | 2022 | 652,418 | 2021 | 633,551 | 2020 | 613,289 | 2019 | 592,457 | 2018 | 571,277 | 2017 | 548,793 | 2016 | 524,148 | 2015 | 500,019 | 2014 | 477,355 | 2013 | 455,631 | 2012 | 435,313 | 2011 | 416,312 | 2010 | 398,946 | 2009 | 383,459 | 2008 | 369,513 | 2007 | 356,772 | 2006 | 345,272 | 2005 | 334,935 | 2004 | 325,444 | 2003 | 316,422 | 2002 | 307,332 | 2001 | 298,952 | 2000 | 291,424 | 1999 | 285,074 | 1998 | 278,039 | 1997 | 269,187 | 1996 | 258,208 | 1995 | 246,481 | 1994 | 232,352 | 1993 | 215,510 | 1992 | 201,897 | 1991 | 192,121 | 1990 | 185,528 | 1989 | 181,207 | 1988 | 178,925 | 1987 | 178,240 | 1986 | 178,555 | 1985 | 179,905 | 1984 | 181,781 | 1983 | 184,192 | 1982 | 187,250 | 1981 | 190,571 | 1980 | 194,115 | 1979 | 197,209 | 1978 | 198,849 | 1977 | 199,284 | 1976 | 199,220 | 1975 | 198,769 | 1974 | 198,026 | 1973 | 197,134 | 1972 | 196,236 | 1971 | 194,835 | 1970 | 192,400 | 1969 | 189,353 | 1968 | 186,118 | 1967 | 182,831 | 1966 | 179,602 | 1965 | 176,376 | 1964 | 173,072 | 1963 | 169,669 | 1962 | 166,201 | 1961 | 162,675 | 1960 | 159,057 |
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