| Year | Value | | 2022 | 4,547,688 | | 2021 | 4,422,651 | | 2020 | 4,312,535 | | 2019 | 4,203,876 | | 2018 | 4,088,666 | | 2017 | 3,960,536 | | 2016 | 3,829,074 | | 2015 | 3,701,995 | | 2014 | 3,582,659 | | 2013 | 3,473,425 | | 2012 | 3,374,555 | | 2011 | 3,283,707 | | 2010 | 3,198,437 | | 2009 | 3,117,652 | | 2008 | 3,039,143 | | 2007 | 2,964,399 | | 2006 | 2,895,364 | | 2005 | 2,826,807 | | 2004 | 2,758,429 | | 2003 | 2,691,423 | | 2002 | 2,623,308 | | 2001 | 2,557,066 | | 2000 | 2,496,702 | | 1999 | 2,438,687 | | 1998 | 2,383,095 | | 1997 | 2,329,452 | | 1996 | 2,276,608 | | 1995 | 2,224,865 | | 1994 | 2,170,438 | | 1993 | 2,114,188 | | 1992 | 2,059,328 | | 1991 | 2,010,278 | | 1990 | 1,966,584 | | 1989 | 1,920,193 | | 1988 | 1,874,748 | | 1987 | 1,831,649 | | 1986 | 1,785,815 | | 1985 | 1,741,213 | | 1984 | 1,696,781 | | 1983 | 1,653,570 | | 1982 | 1,611,744 | | 1981 | 1,572,405 | | 1980 | 1,534,554 | | 1979 | 1,492,036 | | 1978 | 1,446,990 | | 1977 | 1,403,878 | | 1976 | 1,364,273 | | 1975 | 1,327,488 | | 1974 | 1,293,081 | | 1973 | 1,261,191 | | 1972 | 1,232,157 | | 1971 | 1,204,536 | | 1970 | 1,177,161 | | 1969 | 1,150,222 | | 1968 | 1,122,900 | | 1967 | 1,095,260 | | 1966 | 1,067,603 | | 1965 | 1,039,245 | | 1964 | 1,010,504 | | 1963 | 981,946 | | 1962 | 954,477 | | 1961 | 929,232 | | 1960 | 907,438 |
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