Year | Value | 2022 | 606,712 | 2021 | 601,034 | 2020 | 594,394 | 2019 | 587,829 | 2018 | 582,177 | 2017 | 577,683 | 2016 | 573,919 | 2015 | 570,451 | 2014 | 566,631 | 2013 | 561,322 | 2012 | 554,166 | 2011 | 545,629 | 2010 | 536,275 | 2009 | 525,881 | 2008 | 516,217 | 2007 | 508,709 | 2006 | 502,865 | 2005 | 496,638 | 2004 | 487,806 | 2003 | 474,598 | 2002 | 457,063 | 2001 | 432,278 | 2000 | 408,028 | 1999 | 397,831 | 1998 | 395,077 | 1997 | 390,752 | 1996 | 384,991 | 1995 | 382,210 | 1994 | 380,631 | 1993 | 378,120 | 1992 | 378,235 | 1991 | 384,986 | 1990 | 380,463 | 1989 | 365,929 | 1988 | 356,716 | 1987 | 346,596 | 1986 | 336,573 | 1985 | 327,609 | 1984 | 319,671 | 1983 | 312,173 | 1982 | 305,166 | 1981 | 298,630 | 1980 | 292,439 | 1979 | 286,462 | 1978 | 280,459 | 1977 | 274,455 | 1976 | 268,847 | 1975 | 263,403 | 1974 | 257,876 | 1973 | 252,570 | 1972 | 247,573 | 1971 | 242,712 | 1970 | 237,838 | 1969 | 232,984 | 1968 | 228,120 | 1967 | 222,978 | 1966 | 217,766 | 1965 | 212,604 | 1964 | 207,290 | 1963 | 201,970 | 1962 | 196,863 | 1961 | 191,945 | 1960 | 187,182 |
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