| Year | Value | | 2022 | 5,556,106 | | 2021 | 5,541,017 | | 2020 | 5,529,543 | | 2019 | 5,521,606 | | 2018 | 5,515,525 | | 2017 | 5,508,214 | | 2016 | 5,495,303 | | 2015 | 5,479,531 | | 2014 | 5,461,512 | | 2013 | 5,438,972 | | 2012 | 5,413,971 | | 2011 | 5,388,272 | | 2010 | 5,363,352 | | 2009 | 5,338,871 | | 2008 | 5,313,399 | | 2007 | 5,288,720 | | 2006 | 5,266,268 | | 2005 | 5,246,096 | | 2004 | 5,228,172 | | 2003 | 5,213,014 | | 2002 | 5,200,598 | | 2001 | 5,188,008 | | 2000 | 5,176,209 | | 1999 | 5,165,474 | | 1998 | 5,153,498 | | 1997 | 5,139,835 | | 1996 | 5,124,573 | | 1995 | 5,107,790 | | 1994 | 5,088,333 | | 1993 | 5,066,447 | | 1992 | 5,041,992 | | 1991 | 5,013,740 | | 1990 | 4,986,431 | | 1989 | 4,964,371 | | 1988 | 4,946,481 | | 1987 | 4,932,123 | | 1986 | 4,918,154 | | 1985 | 4,902,206 | | 1984 | 4,881,803 | | 1983 | 4,855,787 | | 1982 | 4,826,933 | | 1981 | 4,799,964 | | 1980 | 4,779,535 | | 1979 | 4,764,690 | | 1978 | 4,752,528 | | 1977 | 4,738,902 | | 1976 | 4,725,664 | | 1975 | 4,711,440 | | 1974 | 4,690,574 | | 1973 | 4,666,081 | | 1972 | 4,639,657 | | 1971 | 4,612,124 | | 1970 | 4,606,307 | | 1969 | 4,623,785 | | 1968 | 4,626,469 | | 1967 | 4,605,744 | | 1966 | 4,580,869 | | 1965 | 4,563,732 | | 1964 | 4,548,543 | | 1963 | 4,523,309 | | 1962 | 4,491,443 | | 1961 | 4,461,005 | | 1960 | 4,429,634 |
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