Year | Value | 2022 | 2,855,450 | 2021 | 2,858,460 | 2020 | 2,840,699 | 2019 | 2,797,001 | 2018 | 2,746,369 | 2017 | 2,700,148 | 2016 | 2,667,943 | 2015 | 2,634,714 | 2014 | 2,595,904 | 2013 | 2,555,102 | 2012 | 2,506,298 | 2011 | 2,449,633 | 2010 | 2,435,178 | 2009 | 2,387,773 | 2008 | 2,364,715 | 2007 | 2,375,753 | 2006 | 2,444,119 | 2005 | 2,569,292 | 2004 | 2,740,245 | 2003 | 2,946,768 | 2002 | 3,156,147 | 2001 | 3,339,080 | 2000 | 3,494,774 | 1999 | 3,621,784 | 1998 | 3,714,588 | 1997 | 3,766,815 | 1996 | 3,769,751 | 1995 | 3,728,646 | 1994 | 3,653,514 | 1993 | 3,547,033 | 1992 | 3,419,549 | 1991 | 3,291,736 | 1990 | 3,170,177 | 1989 | 3,056,413 | 1988 | 2,961,553 | 1987 | 2,894,257 | 1986 | 2,846,865 | 1985 | 2,819,938 | 1984 | 2,812,220 | 1983 | 2,793,745 | 1982 | 2,745,300 | 1981 | 2,653,584 | 1980 | 2,504,367 | 1979 | 2,399,646 | 1978 | 2,398,852 | 1977 | 2,440,143 | 1976 | 2,579,938 | 1975 | 2,855,507 | 1974 | 3,106,368 | 1973 | 3,245,726 | 1972 | 3,331,904 | 1971 | 3,338,707 | 1970 | 3,267,881 | 1969 | 3,153,230 | 1968 | 2,985,806 | 1967 | 2,825,080 | 1966 | 2,698,228 | 1965 | 2,593,849 | 1964 | 2,520,970 | 1963 | 2,512,865 | 1962 | 2,528,680 | 1961 | 2,498,085 | 1960 | 2,425,139 |
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