| Year | Value | | 2022 | 3,670,126 | | 2021 | 3,808,828 | | 2020 | 3,981,641 | | 2019 | 4,240,645 | | 2018 | 4,561,881 | | 2017 | 4,843,883 | | 2016 | 4,919,362 | | 2015 | 4,746,908 | | 2014 | 4,477,524 | | 2013 | 4,197,881 | | 2012 | 3,951,115 | | 2011 | 3,886,028 | | 2010 | 3,994,011 | | 2009 | 4,005,664 | | 2008 | 3,895,831 | | 2007 | 3,777,722 | | 2006 | 3,671,009 | | 2005 | 3,590,944 | | 2004 | 3,569,949 | | 2003 | 3,576,890 | | 2002 | 3,545,884 | | 2001 | 3,476,097 | | 2000 | 3,394,437 | | 1999 | 3,323,763 | | 1998 | 3,257,491 | | 1997 | 3,187,208 | | 1996 | 3,118,795 | | 1995 | 3,043,649 | | 1994 | 2,943,884 | | 1993 | 2,805,957 | | 1992 | 2,632,217 | | 1991 | 2,433,563 | | 1990 | 2,245,435 | | 1989 | 2,084,414 | | 1988 | 1,953,103 | | 1987 | 1,869,940 | | 1986 | 1,826,116 | | 1985 | 1,795,045 | | 1984 | 1,781,938 | | 1983 | 1,791,295 | | 1982 | 1,794,236 | | 1981 | 1,784,123 | | 1980 | 1,764,403 | | 1979 | 1,738,353 | | 1978 | 1,706,915 | | 1977 | 1,674,454 | | 1976 | 1,631,112 | | 1975 | 1,578,660 | | 1974 | 1,525,532 | | 1973 | 1,480,062 | | 1972 | 1,443,386 | | 1971 | 1,423,315 | | 1970 | 1,404,026 | | 1969 | 1,390,314 | | 1968 | 1,363,290 | | 1967 | 1,324,309 | | 1966 | 1,273,985 | | 1965 | 1,226,333 | | 1964 | 1,186,804 | | 1963 | 1,145,424 | | 1962 | 1,104,520 | | 1961 | 1,067,298 | | 1960 | 1,031,692 |
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