Year | Value | 2022 | 3,976,808 | 2021 | 3,871,503 | 2020 | 3,761,320 | 2019 | 3,654,374 | 2018 | 3,546,259 | 2017 | 3,433,206 | 2016 | 3,320,274 | 2015 | 3,206,583 | 2014 | 3,088,013 | 2013 | 2,966,852 | 2012 | 2,858,732 | 2011 | 2,764,216 | 2010 | 2,679,058 | 2009 | 2,608,268 | 2008 | 2,549,122 | 2007 | 2,495,349 | 2006 | 2,444,473 | 2005 | 2,395,384 | 2004 | 2,346,028 | 2003 | 2,296,123 | 2002 | 2,243,288 | 2001 | 2,188,012 | 2000 | 2,132,465 | 1999 | 2,074,844 | 1998 | 2,015,029 | 1997 | 1,956,286 | 1996 | 1,900,227 | 1995 | 1,847,565 | 1994 | 1,796,858 | 1993 | 1,745,933 | 1992 | 1,692,191 | 1991 | 1,633,553 | 1990 | 1,569,665 | 1989 | 1,507,282 | 1988 | 1,459,034 | 1987 | 1,425,648 | 1986 | 1,393,764 | 1985 | 1,352,751 | 1984 | 1,296,786 | 1983 | 1,219,325 | 1982 | 1,127,829 | 1981 | 1,042,775 | 1980 | 977,122 | 1979 | 933,881 | 1978 | 912,828 | 1977 | 909,825 | 1976 | 918,403 | 1975 | 931,149 | 1974 | 944,985 | 1973 | 957,741 | 1972 | 965,654 | 1971 | 968,858 | 1970 | 968,126 | 1969 | 961,910 | 1968 | 949,360 | 1967 | 932,646 | 1966 | 914,638 | 1965 | 896,858 | 1964 | 878,760 | 1963 | 860,395 | 1962 | 842,162 | 1961 | 823,580 | 1960 | 804,433 |
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