| Year | Value | | 2022 | 1,815,531 | | 2021 | 1,868,889 | | 2020 | 1,924,485 | | 2019 | 1,974,004 | | 2018 | 2,020,372 | | 2017 | 2,068,303 | | 2016 | 2,115,365 | | 2015 | 2,158,923 | | 2014 | 2,202,165 | | 2013 | 2,247,579 | | 2012 | 2,295,865 | | 2011 | 2,347,623 | | 2010 | 2,402,066 | | 2009 | 2,454,844 | | 2008 | 2,503,383 | | 2007 | 2,555,356 | | 2006 | 2,611,003 | | 2005 | 2,671,686 | | 2004 | 2,735,436 | | 2003 | 2,800,401 | | 2002 | 2,867,027 | | 2001 | 2,933,092 | | 2000 | 2,996,577 | | 1999 | 3,059,960 | | 1998 | 3,115,862 | | 1997 | 3,168,072 | | 1996 | 3,219,771 | | 1995 | 3,269,569 | | 1994 | 3,319,567 | | 1993 | 3,363,016 | | 1992 | 3,395,342 | | 1991 | 3,427,851 | | 1990 | 3,466,314 | | 1989 | 3,500,006 | | 1988 | 3,561,979 | | 1987 | 3,653,104 | | 1986 | 3,730,271 | | 1985 | 3,807,158 | | 1984 | 3,884,720 | | 1983 | 3,963,186 | | 1982 | 4,041,007 | | 1981 | 4,118,594 | | 1980 | 4,194,898 | | 1979 | 4,274,272 | | 1978 | 4,357,973 | | 1977 | 4,443,919 | | 1976 | 4,533,373 | | 1975 | 4,625,987 | | 1974 | 4,714,698 | | 1973 | 4,809,523 | | 1972 | 4,897,996 | | 1971 | 4,981,753 | | 1970 | 5,061,496 | | 1969 | 5,128,878 | | 1968 | 5,183,803 | | 1967 | 5,234,313 | | 1966 | 5,281,469 | | 1965 | 5,327,265 | | 1964 | 5,370,261 | | 1963 | 5,414,847 | | 1962 | 5,456,899 | | 1961 | 5,498,539 | | 1960 | 5,541,766 |
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