| Year | Value | | 2022 | 1,712,979 | | 2021 | 1,686,321 | | 2020 | 1,658,241 | | 2019 | 1,626,335 | | 2018 | 1,591,658 | | 2017 | 1,557,431 | | 2016 | 1,523,921 | | 2015 | 1,491,107 | | 2014 | 1,459,613 | | 2013 | 1,430,076 | | 2012 | 1,402,736 | | 2011 | 1,377,389 | | 2010 | 1,356,147 | | 2009 | 1,338,545 | | 2008 | 1,322,575 | | 2007 | 1,308,854 | | 2006 | 1,296,962 | | 2005 | 1,286,180 | | 2004 | 1,275,713 | | 2003 | 1,265,190 | | 2002 | 1,254,668 | | 2001 | 1,244,391 | | 2000 | 1,234,617 | | 1999 | 1,223,662 | | 1998 | 1,211,405 | | 1997 | 1,199,090 | | 1996 | 1,186,139 | | 1995 | 1,172,301 | | 1994 | 1,157,432 | | 1993 | 1,141,380 | | 1992 | 1,124,026 | | 1991 | 1,105,380 | | 1990 | 1,085,652 | | 1989 | 1,065,007 | | 1988 | 1,040,901 | | 1987 | 1,013,973 | | 1986 | 987,499 | | 1985 | 961,865 | | 1984 | 937,394 | | 1983 | 914,105 | | 1982 | 891,797 | | 1981 | 870,173 | | 1980 | 849,102 | | 1979 | 828,588 | | 1978 | 807,554 | | 1977 | 785,899 | | 1976 | 764,423 | | 1975 | 743,040 | | 1974 | 722,097 | | 1973 | 701,995 | | 1972 | 682,949 | | 1971 | 664,953 | | 1970 | 647,882 | | 1969 | 631,612 | | 1968 | 615,524 | | 1967 | 599,145 | | 1966 | 582,773 | | 1965 | 566,862 | | 1964 | 551,744 | | 1963 | 537,505 | | 1962 | 522,763 | | 1961 | 507,199 | | 1960 | 491,832 |
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