Year | Value | 2022 | 159,608,946 | 2021 | 156,833,203 | 2020 | 153,983,073 | 2019 | 150,925,974 | 2018 | 147,754,731 | 2017 | 144,572,428 | 2016 | 141,370,295 | 2015 | 138,129,702 | 2014 | 134,866,535 | 2013 | 131,589,503 | 2012 | 128,304,189 | 2011 | 125,020,092 | 2010 | 121,798,233 | 2009 | 118,403,751 | 2008 | 115,006,628 | 2007 | 111,639,888 | 2006 | 108,337,481 | 2005 | 105,117,659 | 2004 | 102,009,016 | 2003 | 98,949,418 | 2002 | 95,899,743 | 2001 | 92,887,214 | 2000 | 89,914,698 | 1999 | 86,069,860 | 1998 | 82,296,223 | 1997 | 78,589,432 | 1996 | 74,981,531 | 1995 | 71,481,045 | 1994 | 68,094,384 | 1993 | 64,822,542 | 1992 | 61,664,259 | 1991 | 58,598,245 | 1990 | 55,711,776 | 1989 | 53,060,220 | 1988 | 50,487,614 | 1987 | 47,993,494 | 1986 | 45,587,030 | 1985 | 43,253,395 | 1984 | 40,979,080 | 1983 | 38,768,728 | 1982 | 36,643,277 | 1981 | 34,607,238 | 1980 | 32,753,065 | 1979 | 31,143,740 | 1978 | 29,600,552 | 1977 | 28,120,997 | 1976 | 26,706,459 | 1975 | 25,346,457 | 1974 | 24,044,741 | 1973 | 22,796,816 | 1972 | 21,602,222 | 1971 | 20,519,026 | 1970 | 19,670,639 | 1969 | 18,851,167 | 1968 | 18,061,367 | 1967 | 17,313,064 | 1966 | 16,610,166 | 1965 | 15,971,816 | 1964 | 15,337,065 | 1963 | 14,681,307 | 1962 | 14,055,964 | 1961 | 13,459,978 | 1960 | 12,891,527 |
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