Year | Value | 2023 | 34,950,007 | 2022 | 35,005,295 | 2021 | 35,041,134 | 2020 | 35,040,395 | 2019 | 35,023,533 | 2018 | 34,991,238 | 2017 | 34,921,723 | 2016 | 34,808,522 | 2015 | 34,684,565 | 2014 | 34,556,461 | 2013 | 34,403,336 | 2012 | 34,229,836 | 2011 | 34,044,537 | 2010 | 33,856,529 | 2009 | 33,645,653 | 2008 | 33,407,484 | 2007 | 33,161,086 | 2006 | 32,906,760 | 2005 | 32,645,486 | 2004 | 32,377,325 | 2003 | 32,100,542 | 2002 | 31,815,589 | 2001 | 31,524,454 | 2000 | 31,222,288 | 1999 | 30,899,856 | 1998 | 30,553,953 | 1997 | 30,196,644 | 1996 | 29,833,859 | 1995 | 29,459,636 | 1994 | 29,073,780 | 1993 | 28,677,288 | 1992 | 28,268,951 | 1991 | 27,855,384 | 1990 | 27,437,670 | 1989 | 27,013,061 | 1988 | 26,579,735 | 1987 | 26,137,162 | 1986 | 25,693,287 | 1985 | 25,243,934 | 1984 | 24,789,333 | 1983 | 24,331,200 | 1982 | 23,874,077 | 1981 | 23,422,851 | 1980 | 22,968,381 | 1979 | 22,510,370 | 1978 | 22,051,978 | 1977 | 21,584,000 | 1976 | 21,113,015 | 1975 | 20,636,010 | 1974 | 20,142,419 |
|