| Year | Value | | 2022 | 4,760,527 | | 2021 | 4,742,889 | | 2020 | 4,728,699 | | 2019 | 4,717,991 | | 2018 | 4,709,266 | | 2017 | 4,699,884 | | 2016 | 4,686,120 | | 2015 | 4,669,930 | | 2014 | 4,651,843 | | 2013 | 4,629,925 | | 2012 | 4,593,267 | | 2011 | 4,543,014 | | 2010 | 4,492,880 | | 2009 | 4,454,167 | | 2008 | 4,426,008 | | 2007 | 4,398,523 | | 2006 | 4,372,951 | | 2005 | 4,349,276 | | 2004 | 4,327,463 | | 2003 | 4,307,931 | | 2002 | 4,290,649 | | 2001 | 4,273,258 | | 2000 | 4,253,964 | | 1999 | 4,232,899 | | 1998 | 4,210,769 | | 1997 | 4,187,218 | | 1996 | 4,162,332 | | 1995 | 4,135,420 | | 1994 | 4,105,674 | | 1993 | 4,073,879 | | 1992 | 4,040,047 | | 1991 | 4,003,120 | | 1990 | 3,957,581 | | 1989 | 3,906,513 | | 1988 | 3,858,255 | | 1987 | 3,812,087 | | 1986 | 3,765,683 | | 1985 | 3,716,264 | | 1984 | 3,662,085 | | 1983 | 3,603,091 | | 1982 | 3,541,666 | | 1981 | 3,481,318 | | 1980 | 3,428,217 | | 1979 | 3,381,500 | | 1978 | 3,336,370 | | 1977 | 3,289,888 | | 1976 | 3,243,412 | | 1975 | 3,195,817 | | 1974 | 3,143,576 | | 1973 | 3,088,806 | | 1972 | 3,032,758 | | 1971 | 2,975,881 | | 1970 | 2,934,402 | | 1969 | 2,908,731 | | 1968 | 2,873,315 | | 1967 | 2,823,091 | | 1966 | 2,770,510 | | 1965 | 2,722,631 | | 1964 | 2,675,999 | | 1963 | 2,623,429 | | 1962 | 2,567,399 | | 1961 | 2,512,483 | | 1960 | 2,449,145 |
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