| Year | Value | | 2022 | 10,559,151 | | 2021 | 10,561,231 | | 2020 | 10,548,138 | | 2019 | 10,548,318 | | 2018 | 10,725,051 | | 2017 | 10,929,543 | | 2016 | 11,141,902 | | 2015 | 11,321,609 | | 2014 | 11,406,663 | | 2013 | 11,423,623 | | 2012 | 11,432,937 | | 2011 | 11,409,985 | | 2010 | 11,323,550 | | 2009 | 11,175,845 | | 2008 | 10,991,049 | | 2007 | 10,734,237 | | 2006 | 10,601,258 | | 2005 | 10,375,512 | | 2004 | 9,885,200 | | 2003 | 9,512,503 | | 2002 | 9,379,567 | | 2001 | 9,119,295 | | 2000 | 8,754,367 | | 1999 | 8,531,352 | | 1998 | 8,266,319 | | 1997 | 7,839,308 | | 1996 | 7,313,306 | | 1995 | 6,967,303 | | 1994 | 6,763,328 | | 1993 | 6,496,847 | | 1992 | 6,216,586 | | 1991 | 6,038,040 | | 1990 | 5,901,339 | | 1989 | 5,767,040 | | 1988 | 5,662,562 | | 1987 | 5,592,283 | | 1986 | 5,569,244 | | 1985 | 5,583,576 | | 1984 | 5,680,740 | | 1983 | 5,774,687 | | 1982 | 5,848,136 | | 1981 | 5,971,981 | | 1980 | 6,046,650 | | 1979 | 6,001,833 | | 1978 | 6,101,387 | | 1977 | 6,250,338 | | 1976 | 6,192,160 | | 1975 | 6,180,754 | | 1974 | 6,281,337 | | 1973 | 6,161,743 | | 1972 | 5,923,719 | | 1971 | 5,847,697 | | 1970 | 5,744,658 | | 1969 | 5,573,067 | | 1968 | 5,481,300 | | 1967 | 5,479,760 | | 1966 | 5,467,207 | | 1965 | 5,435,114 | | 1964 | 5,382,397 | | 1963 | 5,314,797 | | 1962 | 5,221,363 | | 1961 | 5,050,993 | | 1960 | 4,892,622 |
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