| Year | Value | | 2022 | 10,570,210 | | 2021 | 10,544,424 | | 2020 | 10,537,831 | | 2019 | 10,583,483 | | 2018 | 10,646,614 | | 2017 | 10,714,114 | | 2016 | 10,777,766 | | 2015 | 10,805,166 | | 2014 | 10,766,377 | | 2013 | 10,672,733 | | 2012 | 10,547,115 | | 2011 | 10,405,960 | | 2010 | 10,263,972 | | 2009 | 10,115,607 | | 2008 | 9,970,310 | | 2007 | 9,833,048 | | 2006 | 9,695,813 | | 2005 | 9,557,652 | | 2004 | 9,423,958 | | 2003 | 9,283,100 | | 2002 | 9,132,343 | | 2001 | 8,981,812 | | 2000 | 8,817,444 | | 1999 | 8,634,338 | | 1998 | 8,439,280 | | 1997 | 8,231,932 | | 1996 | 8,010,281 | | 1995 | 7,779,894 | | 1994 | 7,541,471 | | 1993 | 7,291,896 | | 1992 | 7,032,283 | | 1991 | 6,763,874 | | 1990 | 6,489,922 | | 1989 | 6,216,969 | | 1988 | 5,947,749 | | 1987 | 5,679,846 | | 1986 | 5,414,510 | | 1985 | 5,154,966 | | 1984 | 4,908,179 | | 1983 | 4,683,037 | | 1982 | 4,488,775 | | 1981 | 4,337,927 | | 1980 | 4,228,352 | | 1979 | 4,148,297 | | 1978 | 4,094,202 | | 1977 | 4,059,462 | | 1976 | 4,031,094 | | 1975 | 4,008,038 | | 1974 | 3,991,641 | | 1973 | 3,973,811 | | 1972 | 3,949,749 | | 1971 | 3,915,857 | | 1970 | 3,869,198 | | 1969 | 3,808,638 | | 1968 | 3,737,267 | | 1967 | 3,663,267 | | 1966 | 3,593,002 | | 1965 | 3,536,609 | | 1964 | 3,474,346 | | 1963 | 3,396,142 | | 1962 | 3,318,502 | | 1961 | 3,237,867 | | 1960 | 3,151,183 |
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