| Year | Value | | 2024 | 5,490,066 | | 2023 | 5,499,269 | | 2022 | 5,516,089 | | 2021 | 5,535,935 | | 2020 | 5,551,856 | | 2019 | 5,552,493 | | 2018 | 5,535,060 | | 2017 | 5,508,322 | | 2016 | 5,483,867 | | 2015 | 5,473,252 | | 2014 | 5,480,972 | | 2013 | 5,497,910 | | 2012 | 5,515,385 | | 2011 | 5,529,847 | | 2010 | 5,528,565 | | 2009 | 5,503,616 | | 2008 | 5,455,869 | | 2007 | 5,396,984 | | 2006 | 5,340,290 | | 2005 | 5,289,391 | | 2004 | 5,249,608 | | 2003 | 5,226,636 | | 2002 | 5,215,660 | | 2001 | 5,204,181 | | 2000 | 5,186,227 | | 1999 | 5,153,797 | | 1998 | 5,111,341 | | 1997 | 5,070,367 | | 1996 | 5,034,372 | | 1995 | 5,012,861 | | 1994 | 5,006,434 | | 1993 | 5,009,516 | | 1992 | 5,008,122 | | 1991 | 4,980,643 | | 1990 | 4,916,000 | | 1989 | 4,823,525 | | 1988 | 4,721,442 | | 1987 | 4,614,866 | | 1986 | 4,506,792 | | 1985 | 4,404,106 | | 1984 | 4,304,092 | | 1983 | 4,201,785 | | 1982 | 4,094,791 | | 1981 | 3,980,499 | | 1980 | 3,849,172 | | 1979 | 3,707,624 | | 1978 | 3,571,799 | | 1977 | 3,444,011 | | 1976 | 3,324,196 | | 1975 | 3,210,560 |
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