| Year | Value | | 2022 | 1,222,564 | | 2021 | 1,191,969 | | 2020 | 1,169,120 | | 2019 | 1,144,365 | | 2018 | 1,113,001 | | 2017 | 1,087,320 | | 2016 | 1,069,253 | | 2015 | 1,053,029 | | 2014 | 1,042,164 | | 2013 | 1,045,074 | | 2012 | 1,059,546 | | 2011 | 1,073,671 | | 2010 | 1,088,475 | | 2009 | 1,106,869 | | 2008 | 1,120,771 | | 2007 | 1,121,372 | | 2006 | 1,119,576 | | 2005 | 1,126,992 | | 2004 | 1,140,755 | | 2003 | 1,158,624 | | 2002 | 1,182,994 | | 2001 | 1,223,422 | | 2000 | 1,280,423 | | 1999 | 1,343,729 | | 1998 | 1,410,195 | | 1997 | 1,473,910 | | 1996 | 1,531,293 | | 1995 | 1,580,923 | | 1994 | 1,615,521 | | 1993 | 1,632,909 | | 1992 | 1,638,303 | | 1991 | 1,633,821 | | 1990 | 1,622,114 | | 1989 | 1,609,903 | | 1988 | 1,599,187 | | 1987 | 1,593,731 | | 1986 | 1,595,008 | | 1985 | 1,599,854 | | 1984 | 1,609,384 | | 1983 | 1,620,241 | | 1982 | 1,619,823 | | 1981 | 1,604,899 | | 1980 | 1,585,265 | | 1979 | 1,560,495 | | 1978 | 1,532,449 | | 1977 | 1,510,995 | | 1976 | 1,487,582 | | 1975 | 1,454,748 | | 1974 | 1,415,407 | | 1973 | 1,380,844 | | 1972 | 1,358,245 | | 1971 | 1,339,968 | | 1970 | 1,316,319 | | 1969 | 1,297,122 | | 1968 | 1,294,574 | | 1967 | 1,285,170 | | 1966 | 1,271,925 | | 1965 | 1,276,573 | | 1964 | 1,285,075 | | 1963 | 1,276,701 | | 1962 | 1,256,544 | | 1961 | 1,228,660 | | 1960 | 1,205,589 |
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