| Year | Value | | 2022 | 5,313,592 | | 2021 | 5,205,644 | | 2020 | 5,095,690 | | 2019 | 4,983,283 | | 2018 | 4,862,840 | | 2017 | 4,722,309 | | 2016 | 4,575,394 | | 2015 | 4,438,640 | | 2014 | 4,317,679 | | 2013 | 4,216,395 | | 2012 | 4,134,279 | | 2011 | 4,063,311 | | 2010 | 3,989,483 | | 2009 | 3,913,130 | | 2008 | 3,827,570 | | 2007 | 3,727,903 | | 2006 | 3,620,073 | | 2005 | 3,506,392 | | 2004 | 3,393,171 | | 2003 | 3,288,290 | | 2002 | 3,192,393 | | 2001 | 3,104,942 | | 2000 | 3,015,834 | | 1999 | 2,919,923 | | 1998 | 2,832,840 | | 1997 | 2,757,196 | | 1996 | 2,706,404 | | 1995 | 2,665,599 | | 1994 | 2,594,854 | | 1993 | 2,510,553 | | 1992 | 2,445,413 | | 1991 | 2,397,101 | | 1990 | 2,351,126 | | 1989 | 2,307,187 | | 1988 | 2,263,799 | | 1987 | 2,215,753 | | 1986 | 2,165,258 | | 1985 | 2,114,261 | | 1984 | 2,064,323 | | 1983 | 2,013,979 | | 1982 | 1,962,336 | | 1981 | 1,912,559 | | 1980 | 1,861,325 | | 1979 | 1,806,938 | | 1978 | 1,747,697 | | 1977 | 1,685,592 | | 1976 | 1,623,915 | | 1975 | 1,563,076 | | 1974 | 1,502,909 | | 1973 | 1,445,056 | | 1972 | 1,390,109 | | 1971 | 1,338,527 | | 1970 | 1,290,797 | | 1969 | 1,246,609 | | 1968 | 1,205,740 | | 1967 | 1,168,097 | | 1966 | 1,132,381 | | 1965 | 1,097,287 | | 1964 | 1,062,844 | | 1963 | 1,029,239 | | 1962 | 996,922 | | 1961 | 965,407 | | 1960 | 934,659 |
|