Year | Value | 2022 | 25,985,617 | 2021 | 26,113,879 | 2020 | 26,257,809 | 2019 | 26,413,238 | 2018 | 26,595,910 | 2017 | 26,760,722 | 2016 | 26,859,737 | 2015 | 26,927,567 | 2014 | 26,987,063 | 2013 | 27,029,301 | 2012 | 27,053,417 | 2011 | 27,066,652 | 2010 | 27,058,527 | 2009 | 27,047,498 | 2008 | 27,013,839 | 2007 | 26,963,536 | 2006 | 26,888,211 | 2005 | 26,785,901 | 2004 | 26,667,324 | 2003 | 26,544,073 | 2002 | 26,411,767 | 2001 | 26,249,870 | 2000 | 26,050,050 | 1999 | 25,801,468 | 1998 | 25,507,318 | 1997 | 25,179,667 | 1996 | 24,835,755 | 1995 | 24,489,676 | 1994 | 24,141,905 | 1993 | 23,809,153 | 1992 | 23,490,724 | 1991 | 23,167,856 | 1990 | 22,825,140 | 1989 | 22,463,889 | 1988 | 22,099,858 | 1987 | 21,747,946 | 1986 | 21,429,891 | 1985 | 21,153,805 | 1984 | 20,910,515 | 1983 | 20,675,623 | 1982 | 20,418,330 | 1981 | 20,114,054 | 1980 | 19,742,846 | 1979 | 19,302,264 | 1978 | 18,819,093 | 1977 | 18,318,266 | 1976 | 17,813,013 | 1975 | 17,309,125 | 1974 | 16,806,803 | 1973 | 16,306,988 | 1972 | 15,812,575 | 1971 | 15,329,834 | 1970 | 14,863,507 | 1969 | 14,414,768 | 1968 | 13,966,989 | 1967 | 13,503,016 | 1966 | 13,026,829 | 1965 | 12,545,079 | 1964 | 12,070,375 | 1963 | 11,631,838 | 1962 | 11,248,442 | 1961 | 10,912,737 | 1960 | 10,606,245 |
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