| Year | Value | | 2022 | 5,846,915 | | 2021 | 5,780,154 | | 2020 | 5,670,775 | | 2019 | 5,555,605 | | 2018 | 5,435,573 | | 2017 | 5,312,425 | | 2016 | 5,185,852 | | 2015 | 4,944,708 | | 2014 | 4,497,632 | | 2013 | 3,968,884 | | 2012 | 3,704,706 | | 2011 | 3,654,198 | | 2010 | 3,564,227 | | 2009 | 3,488,622 | | 2008 | 3,414,636 | | 2007 | 3,334,553 | | 2006 | 3,131,561 | | 2005 | 2,928,895 | | 2004 | 2,855,309 | | 2003 | 2,787,502 | | 2002 | 2,728,993 | | 2001 | 2,675,503 | | 2000 | 2,625,119 | | 1999 | 2,575,938 | | 1998 | 2,526,314 | | 1997 | 2,474,101 | | 1996 | 2,412,829 | | 1995 | 2,334,833 | | 1994 | 2,237,050 | | 1993 | 2,123,820 | | 1992 | 2,005,399 | | 1991 | 1,891,560 | | 1990 | 1,786,576 | | 1989 | 1,695,300 | | 1988 | 1,616,836 | | 1987 | 1,544,072 | | 1986 | 1,475,133 | | 1985 | 1,409,472 | | 1984 | 1,347,259 | | 1983 | 1,288,363 | | 1982 | 1,232,877 | | 1981 | 1,181,841 | | 1980 | 1,135,876 | | 1979 | 1,095,490 | | 1978 | 1,060,123 | | 1977 | 1,027,407 | | 1976 | 996,367 | | 1975 | 966,193 | | 1974 | 935,735 | | 1973 | 904,693 | | 1972 | 872,386 | | 1971 | 837,127 | | 1970 | 796,630 | | 1969 | 750,054 | | 1968 | 698,932 | | 1967 | 647,246 | | 1966 | 599,726 | | 1965 | 559,197 | | 1964 | 526,499 | | 1963 | 500,577 | | 1962 | 478,171 | | 1961 | 456,386 | | 1960 | 434,026 |
|