Year | Value | 2022 | 2,673,182 | 2021 | 2,681,797 | 2020 | 2,671,602 | 2019 | 2,636,483 | 2018 | 2,594,923 | 2017 | 2,558,917 | 2016 | 2,536,746 | 2015 | 2,516,498 | 2014 | 2,493,629 | 2013 | 2,468,781 | 2012 | 2,433,862 | 2011 | 2,387,937 | 2010 | 2,379,862 | 2009 | 2,338,854 | 2008 | 2,322,116 | 2007 | 2,336,699 | 2006 | 2,402,005 | 2005 | 2,516,894 | 2004 | 2,669,185 | 2003 | 2,849,558 | 2002 | 3,030,925 | 2001 | 3,185,760 | 2000 | 3,312,626 | 1999 | 3,414,096 | 1998 | 3,486,796 | 1997 | 3,524,084 | 1996 | 3,521,865 | 1995 | 3,486,487 | 1994 | 3,422,066 | 1993 | 3,326,938 | 1992 | 3,211,213 | 1991 | 3,092,859 | 1990 | 2,980,555 | 1989 | 2,882,813 | 1988 | 2,809,900 | 1987 | 2,764,498 | 1986 | 2,735,460 | 1985 | 2,718,999 | 1984 | 2,705,801 | 1983 | 2,672,684 | 1982 | 2,613,686 | 1981 | 2,516,676 | 1980 | 2,369,642 | 1979 | 2,274,040 | 1978 | 2,277,155 | 1977 | 2,310,395 | 1976 | 2,431,259 | 1975 | 2,677,825 | 1974 | 2,897,032 | 1973 | 3,011,551 | 1972 | 3,083,259 | 1971 | 3,086,516 | 1970 | 3,019,893 | 1969 | 2,914,360 | 1968 | 2,759,699 | 1967 | 2,611,137 | 1966 | 2,495,888 | 1965 | 2,405,317 | 1964 | 2,350,919 | 1963 | 2,365,532 | 1962 | 2,422,163 | 1961 | 2,474,327 | 1960 | 2,525,117 |
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