| Year | Value | | 2022 | 5,473,400 | | 2021 | 5,491,354 | | 2020 | 5,503,565 | | 2019 | 5,503,890 | | 2018 | 5,505,324 | | 2017 | 5,503,223 | | 2016 | 5,483,468 | | 2015 | 5,467,541 | | 2014 | 5,469,454 | | 2013 | 5,478,075 | | 2012 | 5,487,620 | | 2011 | 5,487,105 | | 2010 | 5,455,552 | | 2009 | 5,416,011 | | 2008 | 5,386,047 | | 2007 | 5,349,588 | | 2006 | 5,305,687 | | 2005 | 5,254,924 | | 2004 | 5,196,965 | | 2003 | 5,142,131 | | 2002 | 5,096,158 | | 2001 | 5,051,206 | | 2000 | 5,011,063 | | 1999 | 4,964,616 | | 1998 | 4,915,915 | | 1997 | 4,879,480 | | 1996 | 4,856,638 | | 1995 | 4,847,364 | | 1994 | 4,836,406 | | 1993 | 4,823,751 | | 1992 | 4,805,651 | | 1991 | 4,764,707 | | 1990 | 4,687,442 | | 1989 | 4,584,889 | | 1988 | 4,476,414 | | 1987 | 4,363,085 | | 1986 | 4,253,931 | | 1985 | 4,158,728 | | 1984 | 4,071,323 | | 1983 | 3,984,935 | | 1982 | 3,899,212 | | 1981 | 3,808,485 | | 1980 | 3,702,835 | | 1979 | 3,583,124 | | 1978 | 3,459,725 | | 1977 | 3,338,761 | | 1976 | 3,230,976 | | 1975 | 3,136,354 | | 1974 | 3,047,669 | | 1973 | 2,965,202 | | 1972 | 2,887,169 | | 1971 | 2,814,448 | | 1970 | 2,731,294 | | 1969 | 2,639,089 | | 1968 | 2,554,048 | | 1967 | 2,466,935 | | 1966 | 2,371,903 | | 1965 | 2,274,300 | | 1964 | 2,174,798 | | 1963 | 2,073,756 | | 1962 | 1,983,100 | | 1961 | 1,909,841 | | 1960 | 1,847,684 |
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