| Year | Value | | 2022 | 10,179,087 | | 2021 | 9,864,589 | | 2020 | 9,743,042 | | 2019 | 9,623,458 | | 2018 | 9,508,427 | | 2017 | 9,393,051 | | 2016 | 9,275,967 | | 2015 | 9,154,229 | | 2014 | 9,029,051 | | 2013 | 8,904,870 | | 2012 | 8,784,512 | | 2011 | 8,668,254 | | 2010 | 8,552,136 | | 2009 | 8,438,381 | | 2008 | 8,277,191 | | 2007 | 8,126,518 | | 2006 | 8,035,070 | | 2005 | 7,949,338 | | 2004 | 7,877,124 | | 2003 | 7,820,478 | | 2002 | 7,791,988 | | 2001 | 7,788,399 | | 2000 | 7,797,373 | | 1999 | 7,815,477 | | 1998 | 7,877,753 | | 1997 | 7,997,169 | | 1996 | 8,108,311 | | 1995 | 8,220,169 | | 1994 | 8,381,896 | | 1993 | 8,496,682 | | 1992 | 8,524,847 | | 1991 | 8,532,977 | | 1990 | 8,482,848 | | 1989 | 8,436,600 | | 1988 | 8,523,201 | | 1987 | 8,319,243 | | 1986 | 8,123,116 | | 1985 | 7,960,779 | | 1984 | 7,829,663 | | 1983 | 7,699,561 | | 1982 | 7,572,632 | | 1981 | 7,452,122 | | 1980 | 7,337,393 | | 1979 | 7,227,413 | | 1978 | 7,121,165 | | 1977 | 7,015,367 | | 1976 | 6,913,680 | | 1975 | 6,815,940 | | 1974 | 6,717,859 | | 1973 | 6,621,595 | | 1972 | 6,527,527 | | 1971 | 6,438,046 | | 1970 | 6,343,008 | | 1969 | 6,226,484 | | 1968 | 6,088,926 | | 1967 | 5,940,320 | | 1966 | 5,788,124 | | 1965 | 5,633,055 | | 1964 | 5,474,950 | | 1963 | 5,313,783 | | 1962 | 5,150,305 | | 1961 | 4,986,055 | | 1960 | 4,821,466 |
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