Year | Value | 2022 | 36,821,749 | 2021 | 37,747,124 | 2020 | 37,899,070 | 2019 | 37,965,475 | 2018 | 37,974,750 | 2017 | 37,974,826 | 2016 | 37,970,087 | 2015 | 37,986,412 | 2014 | 38,011,735 | 2013 | 38,040,196 | 2012 | 38,063,164 | 2011 | 38,063,255 | 2010 | 38,042,794 | 2009 | 38,151,603 | 2008 | 38,125,759 | 2007 | 38,120,560 | 2006 | 38,141,267 | 2005 | 38,165,445 | 2004 | 38,182,222 | 2003 | 38,204,570 | 2002 | 38,230,364 | 2001 | 38,248,076 | 2000 | 38,258,629 | 1999 | 38,660,271 | 1998 | 38,663,481 | 1997 | 38,649,660 | 1996 | 38,624,370 | 1995 | 38,594,998 | 1994 | 38,542,652 | 1993 | 38,461,408 | 1992 | 38,363,667 | 1991 | 38,246,193 | 1990 | 38,110,782 | 1989 | 37,961,529 | 1988 | 37,824,487 | 1987 | 37,668,045 | 1986 | 37,456,119 | 1985 | 37,201,885 | 1984 | 36,904,134 | 1983 | 36,571,808 | 1982 | 36,230,481 | 1981 | 35,898,587 | 1980 | 35,574,150 | 1979 | 35,247,217 | 1978 | 34,965,600 | 1977 | 34,689,050 | 1976 | 34,356,300 | 1975 | 34,015,199 | 1974 | 33,678,899 | 1973 | 33,357,200 | 1972 | 33,055,650 | 1971 | 32,783,500 | 1970 | 32,664,300 | 1969 | 32,548,300 | 1968 | 32,294,655 | 1967 | 31,987,155 | 1966 | 31,681,000 | 1965 | 31,444,950 | 1964 | 31,139,450 | 1963 | 30,712,000 | 1962 | 30,308,500 | 1961 | 29,964,000 | 1960 | 29,637,450 |
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