| Year | Value | | 2022 | 9,311,387 | | 2021 | 9,406,924 | | 2020 | 9,460,370 | | 2019 | 9,483,412 | | 2018 | 9,472,017 | | 2017 | 9,454,686 | | 2016 | 9,473,755 | | 2015 | 9,535,148 | | 2014 | 9,608,655 | | 2013 | 9,681,760 | | 2012 | 9,751,197 | | 2011 | 9,816,173 | | 2010 | 9,875,678 | | 2009 | 9,932,078 | | 2008 | 9,988,139 | | 2007 | 10,040,198 | | 2006 | 10,084,569 | | 2005 | 10,122,893 | | 2004 | 10,153,848 | | 2003 | 10,177,790 | | 2002 | 10,195,634 | | 2001 | 10,206,862 | | 2000 | 10,212,798 | | 1999 | 10,213,458 | | 1998 | 10,207,806 | | 1997 | 10,194,872 | | 1996 | 10,175,430 | | 1995 | 10,151,842 | | 1994 | 10,119,915 | | 1993 | 10,081,888 | | 1992 | 10,040,865 | | 1991 | 9,998,757 | | 1990 | 9,949,619 | | 1989 | 9,893,612 | | 1988 | 9,835,867 | | 1987 | 9,777,368 | | 1986 | 9,717,259 | | 1985 | 9,667,695 | | 1984 | 9,643,244 | | 1983 | 9,609,265 | | 1982 | 9,571,812 | | 1981 | 9,533,667 | | 1980 | 9,492,012 | | 1979 | 9,448,746 | | 1978 | 9,406,607 | | 1977 | 9,363,735 | | 1976 | 9,325,353 | | 1975 | 9,289,877 | | 1974 | 9,249,137 | | 1973 | 9,207,126 | | 1972 | 9,165,869 | | 1971 | 9,120,846 | | 1970 | 9,065,563 | | 1969 | 8,997,679 | | 1968 | 8,919,376 | | 1967 | 8,830,131 | | 1966 | 8,730,938 | | 1965 | 8,622,529 | | 1964 | 8,510,292 | | 1963 | 8,504,966 | | 1962 | 8,488,685 | | 1961 | 8,463,079 | | 1960 | 8,429,309 |
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