| Year | Value | | 2022 | 4,787,219 | | 2021 | 4,734,549 | | 2020 | 4,665,402 | | 2019 | 4,577,523 | | 2018 | 4,480,433 | | 2017 | 4,367,265 | | 2016 | 4,241,228 | | 2015 | 4,121,777 | | 2014 | 4,016,570 | | 2013 | 3,919,819 | | 2012 | 3,837,132 | | 2011 | 3,772,115 | | 2010 | 3,720,367 | | 2009 | 3,680,705 | | 2008 | 3,641,344 | | 2007 | 3,595,060 | | 2006 | 3,543,031 | | 2005 | 3,472,793 | | 2004 | 3,381,076 | | 2003 | 3,288,761 | | 2002 | 3,209,734 | | 2001 | 3,141,918 | | 2000 | 3,085,247 | | 1999 | 3,037,926 | | 1998 | 2,989,949 | | 1997 | 2,936,764 | | 1996 | 2,877,558 | | 1995 | 2,814,431 | | 1994 | 2,747,060 | | 1993 | 2,677,474 | | 1992 | 2,612,970 | | 1991 | 2,555,962 | | 1990 | 2,503,202 | | 1989 | 2,452,267 | | 1988 | 2,401,643 | | 1987 | 2,351,010 | | 1986 | 2,300,908 | | 1985 | 2,247,608 | | 1984 | 2,189,883 | | 1983 | 2,128,855 | | 1982 | 2,064,511 | | 1981 | 1,995,749 | | 1980 | 1,918,945 | | 1979 | 1,831,329 | | 1978 | 1,739,163 | | 1977 | 1,649,099 | | 1976 | 1,563,517 | | 1975 | 1,490,054 | | 1974 | 1,437,471 | | 1973 | 1,398,553 | | 1972 | 1,362,845 | | 1971 | 1,329,582 | | 1970 | 1,294,902 | | 1969 | 1,259,345 | | 1968 | 1,229,784 | | 1967 | 1,207,038 | | 1966 | 1,187,318 | | 1965 | 1,167,419 | | 1964 | 1,145,695 | | 1963 | 1,120,966 | | 1962 | 1,092,143 | | 1961 | 1,059,953 | | 1960 | 1,023,873 |
|