| Year | Value | | 2022 | 3,455,814 | | 2021 | 3,441,235 | | 2020 | 3,427,162 | | 2019 | 3,426,544 | | 2018 | 3,424,289 | | 2017 | 3,431,001 | | 2016 | 3,424,297 | | 2015 | 3,399,381 | | 2014 | 3,363,116 | | 2013 | 3,318,178 | | 2012 | 3,282,246 | | 2011 | 3,253,018 | | 2010 | 3,221,567 | | 2009 | 3,189,542 | | 2008 | 3,163,505 | | 2007 | 3,134,911 | | 2006 | 3,118,453 | | 2005 | 3,078,741 | | 2004 | 3,023,445 | | 2003 | 2,968,172 | | 2002 | 2,924,147 | | 2001 | 2,878,150 | | 2000 | 2,828,298 | | 1999 | 2,782,806 | | 1998 | 2,790,404 | | 1997 | 2,795,364 | | 1996 | 2,757,210 | | 1995 | 2,738,794 | | 1994 | 2,727,894 | | 1993 | 2,656,913 | | 1992 | 2,566,553 | | 1991 | 2,508,964 | | 1990 | 2,429,376 | | 1989 | 2,326,011 | | 1988 | 2,206,257 | | 1987 | 2,103,635 | | 1986 | 2,017,451 | | 1985 | 1,929,141 | | 1984 | 1,853,751 | | 1983 | 1,836,087 | | 1982 | 1,788,687 | | 1981 | 1,698,107 | | 1980 | 1,652,742 | | 1979 | 1,624,094 | | 1978 | 1,556,153 | | 1977 | 1,511,967 | | 1976 | 1,512,687 | | 1975 | 1,467,799 | | 1974 | 1,395,272 | | 1973 | 1,323,091 | | 1972 | 1,264,098 | | 1971 | 1,215,358 | | 1970 | 1,181,723 | | 1969 | 1,162,755 | | 1968 | 1,160,090 | | 1967 | 1,158,888 | | 1966 | 1,149,533 | | 1965 | 1,138,331 | | 1964 | 1,121,516 | | 1963 | 1,103,009 | | 1962 | 1,081,748 | | 1961 | 1,060,747 | | 1960 | 1,040,288 |
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