| Year | Value | | 2022 | 4,248,965 | | 2021 | 4,287,977 | | 2020 | 4,327,916 | | 2019 | 4,350,290 | | 2018 | 4,361,667 | | 2017 | 4,372,291 | | 2016 | 4,377,765 | | 2015 | 4,374,019 | | 2014 | 4,368,497 | | 2013 | 4,366,594 | | 2012 | 4,369,319 | | 2011 | 4,379,214 | | 2010 | 4,393,551 | | 2009 | 4,406,288 | | 2008 | 4,419,504 | | 2007 | 4,436,621 | | 2006 | 4,459,004 | | 2005 | 4,489,280 | | 2004 | 4,523,002 | | 2003 | 4,556,725 | | 2002 | 4,591,597 | | 2001 | 4,623,156 | | 2000 | 4,648,837 | | 1999 | 4,673,352 | | 1998 | 4,697,636 | | 1997 | 4,722,599 | | 1996 | 4,746,319 | | 1995 | 4,766,533 | | 1994 | 4,785,969 | | 1993 | 4,793,338 | | 1992 | 4,781,692 | | 1991 | 4,769,316 | | 1990 | 4,764,579 | | 1989 | 4,751,254 | | 1988 | 4,732,593 | | 1987 | 4,714,555 | | 1986 | 4,677,570 | | 1985 | 4,641,942 | | 1984 | 4,610,177 | | 1983 | 4,577,998 | | 1982 | 4,546,025 | | 1981 | 4,514,788 | | 1980 | 4,482,745 | | 1979 | 4,454,909 | | 1978 | 4,426,939 | | 1977 | 4,396,727 | | 1976 | 4,370,547 | | 1975 | 4,347,372 | | 1974 | 4,320,875 | | 1973 | 4,288,023 | | 1972 | 4,250,533 | | 1971 | 4,209,614 | | 1970 | 4,166,744 | | 1969 | 4,121,388 | | 1968 | 4,071,960 | | 1967 | 4,020,228 | | 1966 | 3,968,035 | | 1965 | 3,916,650 | | 1964 | 3,865,379 | | 1963 | 3,812,810 | | 1962 | 3,760,737 | | 1961 | 3,711,084 | | 1960 | 3,665,385 |
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