Year | Value | 2022 | 543,043 | 2021 | 540,668 | 2020 | 538,184 | 2019 | 535,688 | 2018 | 533,550 | 2017 | 532,155 | 2016 | 531,769 | 2015 | 532,453 | 2014 | 534,140 | 2013 | 536,636 | 2012 | 539,593 | 2011 | 542,732 | 2010 | 545,863 | 2009 | 548,777 | 2008 | 551,403 | 2007 | 553,748 | 2006 | 555,662 | 2005 | 556,893 | 2004 | 557,077 | 2003 | 555,262 | 2002 | 550,829 | 2001 | 544,296 | 2000 | 536,267 | 1999 | 527,264 | 1998 | 519,264 | 1997 | 511,338 | 1996 | 501,923 | 1995 | 492,124 | 1994 | 481,963 | 1993 | 471,517 | 1992 | 461,280 | 1991 | 451,737 | 1990 | 442,980 | 1989 | 434,937 | 1988 | 427,735 | 1987 | 420,699 | 1986 | 413,398 | 1985 | 406,086 | 1984 | 398,595 | 1983 | 390,555 | 1982 | 381,948 | 1981 | 373,012 | 1980 | 363,659 | 1979 | 353,658 | 1978 | 343,262 | 1977 | 332,904 | 1976 | 322,416 | 1975 | 311,800 | 1974 | 302,521 | 1973 | 294,051 | 1972 | 285,016 | 1971 | 276,300 | 1970 | 268,376 | 1969 | 261,005 | 1968 | 253,908 | 1967 | 247,129 | 1966 | 240,611 | 1965 | 234,177 | 1964 | 227,932 | 1963 | 221,960 | 1962 | 216,144 | 1961 | 210,419 | 1960 | 204,710 |
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