| Year | Value | | 2022 | 2,646,824 | | 2021 | 2,694,980 | | 2020 | 2,735,697 | | 2019 | 2,770,705 | | 2018 | 2,800,601 | | 2017 | 2,832,442 | | 2016 | 2,867,756 | | 2015 | 2,903,693 | | 2014 | 2,937,544 | | 2013 | 2,972,574 | | 2012 | 3,008,052 | | 2011 | 3,055,537 | | 2010 | 3,108,907 | | 2009 | 3,161,144 | | 2008 | 3,217,942 | | 2007 | 3,276,073 | | 2006 | 3,334,127 | | 2005 | 3,392,784 | | 2004 | 3,446,941 | | 2003 | 3,495,810 | | 2002 | 3,547,284 | | 2001 | 3,599,271 | | 2000 | 3,617,236 | | 1999 | 3,613,643 | | 1998 | 3,610,855 | | 1997 | 3,606,198 | | 1996 | 3,600,375 | | 1995 | 3,593,550 | | 1994 | 3,585,524 | | 1993 | 3,577,385 | | 1992 | 3,568,401 | | 1991 | 3,556,728 | | 1990 | 3,543,962 | | 1989 | 3,583,700 | | 1988 | 3,641,801 | | 1987 | 3,666,384 | | 1986 | 3,691,570 | | 1985 | 3,716,933 | | 1984 | 3,742,901 | | 1983 | 3,769,746 | | 1982 | 3,794,791 | | 1981 | 3,816,417 | | 1980 | 3,835,546 | | 1979 | 3,864,948 | | 1978 | 3,902,097 | | 1977 | 3,932,744 | | 1976 | 3,958,606 | | 1975 | 3,981,051 | | 1974 | 4,001,823 | | 1973 | 4,028,025 | | 1972 | 4,059,050 | | 1971 | 4,091,134 | | 1970 | 4,123,586 | | 1969 | 4,151,312 | | 1968 | 4,176,578 | | 1967 | 4,203,213 | | 1966 | 4,230,146 | | 1965 | 4,259,900 | | 1964 | 4,290,506 | | 1963 | 4,319,558 | | 1962 | 4,350,895 | | 1961 | 4,379,303 | | 1960 | 4,401,831 |
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