Year | Value | 2021 | 36,006,333.548 | 2020 | 35,996,204.158 | 2019 | 35,948,639.237 | 2018 | 35,961,051.175 | 2017 | 35,946,684.844 | 2016 | 35,926,751.429 | 2015 | 35,911,349.101 | 2014 | 35,864,672.775 | 2013 | 35,885,743.105 | 2012 | 35,832,811.346 | 2011 | 35,777,841.386 | 2010 | 35,747,944.679 | 2009 | 35,636,266.116 | 2008 | 35,603,353.821 | 2007 | 35,648,503.14 | 2006 | 35,603,829.606 | 2005 | 35,560,794.847 | 2004 | 35,640,024.19 | 2003 | 35,599,412.671 | 2002 | 35,692,764.907 | 2001 | 35,659,735.715 | 2000 | 35,632,029.33 | 1999 | 35,590,298.734 | 1998 | 35,515,600.616 | 1997 | 35,471,290.867 | 1996 | 35,286,190.738 | 1995 | 35,254,521.905 | 1994 | 35,251,044.929 | 1993 | 35,162,629.417 | 1992 | 35,304,059.82 | 1991 | 35,255,699.285 | 1990 | 35,171,297.091 | 1989 | 35,065,531.197 | 1988 | 34,952,077.903 | 1987 | 34,838,606.609 | 1986 | 34,693,394.115 | 1985 | 34,574,978.792 | 1984 | 34,340,870.127 | 1983 | 34,150,626.233 | 1982 | 33,997,820.09 | 1981 | 33,844,273.045 | 1980 | 33,789,016.581 | 1979 | 33,677,248.958 | 1978 | 33,555,803.214 | 1977 | 33,400,023.636 | 1976 | 33,252,775.459 | 1975 | 33,262,596.682 | 1974 | 33,153,277.755 | 1973 | 33,029,250.727 | 1972 | 32,895,538.9 | 1971 | 32,747,098.4 | 1970 | 32,615,236.7 | 1969 | 32,510,142 | 1968 | 32,431,846.6 | 1967 | 32,329,731.4 | 1966 | 32,249,076.9 | 1965 | 32,162,501 | 1964 | 32,066,257.8 | 1963 | 31,984,947.3 | 1962 | 31,899,349.1 | 1961 | 31,811,487 |
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