Year | Value | 2022 | 39,575,584 | 2021 | 37,399,597 | 2020 | 35,299,599 | 2019 | 33,107,833 | 2018 | 31,153,481 | 2017 | 29,480,233 | 2016 | 28,257,186 | 2015 | 27,557,295 | 2014 | 27,198,255 | 2013 | 27,058,506 | 2012 | 27,032,303 | 2011 | 26,805,614 | 2010 | 26,391,735 | 2009 | 25,956,017 | 2008 | 25,442,882 | 2007 | 24,780,467 | 2006 | 24,049,489 | 2005 | 23,405,424 | 2004 | 22,854,649 | 2003 | 22,314,431 | 2002 | 21,778,098 | 2001 | 21,220,156 | 2000 | 20,561,044 | 1999 | 19,835,092 | 1998 | 19,012,151 | 1997 | 18,073,698 | 1996 | 17,211,512 | 1995 | 16,413,292 | 1994 | 15,594,084 | 1993 | 14,830,423 | 1992 | 14,198,266 | 1991 | 13,651,688 | 1990 | 13,200,066 | 1989 | 12,902,807 | 1988 | 12,721,218 | 1987 | 12,556,894 | 1986 | 12,366,700 | 1985 | 12,131,084 | 1984 | 11,804,561 | 1983 | 11,410,066 | 1982 | 11,038,687 | 1981 | 10,713,403 | 1980 | 10,398,869 | 1979 | 10,061,194 | 1978 | 9,728,117 | 1977 | 9,415,089 | 1976 | 9,090,958 | 1975 | 8,744,156 | 1974 | 8,368,434 | 1973 | 7,962,942 | 1972 | 7,586,410 | 1971 | 7,257,400 | 1970 | 6,983,666 | 1969 | 6,780,106 | 1968 | 6,604,295 | 1967 | 6,423,461 | 1966 | 6,233,917 | 1965 | 6,043,662 | 1964 | 5,883,665 | 1963 | 5,772,984 | 1962 | 5,682,545 | 1961 | 5,664,835 | 1960 | 5,762,278 |
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