Year | Value | 2022 | 3,318,407 | 2021 | 3,548,836 | 2020 | 3,681,656 | 2019 | 3,776,489 | 2018 | 3,830,078 | 2017 | 3,849,404 | 2016 | 3,841,521 | 2015 | 3,809,074 | 2014 | 3,763,862 | 2013 | 3,714,020 | 2012 | 3,649,710 | 2011 | 3,556,220 | 2010 | 3,392,229 | 2009 | 3,200,743 | 2008 | 3,025,725 | 2007 | 2,873,038 | 2006 | 2,762,055 | 2005 | 2,737,766 | 2004 | 2,774,013 | 2003 | 2,811,227 | 2002 | 2,856,475 | 2001 | 2,913,454 | 2000 | 2,964,706 | 1999 | 2,991,519 | 1998 | 2,999,700 | 1997 | 3,020,418 | 1996 | 3,045,208 | 1995 | 3,078,805 | 1994 | 3,115,660 | 1993 | 3,142,541 | 1992 | 3,149,602 | 1991 | 3,152,347 | 1990 | 3,158,856 | 1989 | 3,158,952 | 1988 | 3,154,438 | 1987 | 3,146,494 | 1986 | 3,120,072 | 1985 | 3,046,737 | 1984 | 2,934,781 | 1983 | 2,720,777 | 1982 | 2,417,036 | 1981 | 2,148,995 | 1980 | 1,968,119 | 1979 | 1,922,271 | 1978 | 2,056,430 | 1977 | 2,302,119 | 1976 | 2,531,808 | 1975 | 2,697,661 | 1974 | 2,772,742 | 1973 | 2,774,906 | 1972 | 2,751,429 | 1971 | 2,717,102 | 1970 | 2,675,045 | 1969 | 2,617,763 | 1968 | 2,559,587 | 1967 | 2,502,429 | 1966 | 2,443,403 | 1965 | 2,403,472 | 1964 | 2,361,523 | 1963 | 2,300,023 | 1962 | 2,236,465 | 1961 | 2,172,608 | 1960 | 2,098,819 |
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