| Year | Value | | 2022 | 5,040,211 | | 2021 | 5,017,104 | | 2020 | 4,976,624 | | 2019 | 4,922,457 | | 2018 | 4,874,611 | | 2017 | 4,823,569 | | 2016 | 4,760,623 | | 2015 | 4,683,506 | | 2014 | 4,600,259 | | 2013 | 4,515,010 | | 2012 | 4,410,578 | | 2011 | 4,290,394 | | 2010 | 4,176,138 | | 2009 | 4,071,560 | | 2008 | 3,970,371 | | 2007 | 3,891,501 | | 2006 | 3,846,253 | | 2005 | 3,825,450 | | 2004 | 3,810,536 | | 2003 | 3,782,218 | | 2002 | 3,734,249 | | 2001 | 3,666,805 | | 2000 | 3,581,673 | | 1999 | 3,488,792 | | 1998 | 3,399,350 | | 1997 | 3,315,548 | | 1996 | 3,237,642 | | 1995 | 3,172,815 | | 1994 | 3,121,925 | | 1993 | 3,073,912 | | 1992 | 3,020,595 | | 1991 | 2,955,402 | | 1990 | 2,877,960 | | 1989 | 2,797,031 | | 1988 | 2,725,979 | | 1987 | 2,669,290 | | 1986 | 2,623,453 | | 1985 | 2,582,727 | | 1984 | 2,542,519 | | 1983 | 2,499,454 | | 1982 | 2,454,872 | | 1981 | 2,409,896 | | 1980 | 2,358,573 | | 1979 | 2,293,845 | | 1978 | 2,216,968 | | 1977 | 2,132,834 | | 1976 | 2,043,162 | | 1975 | 1,953,946 | | 1974 | 1,877,100 | | 1973 | 1,811,753 | | 1972 | 1,749,205 | | 1971 | 1,690,381 | | 1970 | 1,631,076 | | 1969 | 1,565,419 | | 1968 | 1,500,532 | | 1967 | 1,444,864 | | 1966 | 1,400,110 | | 1965 | 1,364,366 | | 1964 | 1,335,997 | | 1963 | 1,314,648 | | 1962 | 1,296,095 | | 1961 | 1,275,935 | | 1960 | 1,250,385 |
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