| Year | Value | | 2022 | 1,376,660 | | 2021 | 1,390,469 | | 2020 | 1,432,588 | | 2019 | 1,483,244 | | 2018 | 1,537,189 | | 2017 | 1,584,496 | | 2016 | 1,611,269 | | 2015 | 1,619,768 | | 2014 | 1,618,451 | | 2013 | 1,604,039 | | 2012 | 1,584,086 | | 2011 | 1,574,452 | | 2010 | 1,563,778 | | 2009 | 1,545,739 | | 2008 | 1,516,056 | | 2007 | 1,481,467 | | 2006 | 1,437,327 | | 2005 | 1,389,038 | | 2004 | 1,342,077 | | 2003 | 1,298,833 | | 2002 | 1,263,606 | | 2001 | 1,239,215 | | 2000 | 1,221,116 | | 1999 | 1,228,776 | | 1998 | 1,243,250 | | 1997 | 1,266,402 | | 1996 | 1,297,257 | | 1995 | 1,339,822 | | 1994 | 1,394,432 | | 1993 | 1,458,326 | | 1992 | 1,527,757 | | 1991 | 1,594,359 | | 1990 | 1,649,766 | | 1989 | 1,685,100 | | 1988 | 1,699,267 | | 1987 | 1,701,363 | | 1986 | 1,694,741 | | 1985 | 1,676,827 | | 1984 | 1,643,827 | | 1983 | 1,608,164 | | 1982 | 1,567,050 | | 1981 | 1,506,836 | | 1980 | 1,404,787 | | 1979 | 1,280,466 | | 1978 | 1,162,866 | | 1977 | 1,050,186 | | 1976 | 965,642 | | 1975 | 942,752 | | 1974 | 966,726 | | 1973 | 995,314 | | 1972 | 1,027,948 | | 1971 | 1,059,988 | | 1970 | 1,086,626 | | 1969 | 1,102,831 | | 1968 | 1,110,439 | | 1967 | 1,120,865 | | 1966 | 1,136,559 | | 1965 | 1,161,616 | | 1964 | 1,185,020 | | 1963 | 1,196,265 | | 1962 | 1,188,925 | | 1961 | 1,161,189 | | 1960 | 1,127,125 |
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