| Year | Value | | 2022 | 7,393,781 | | 2021 | 7,488,317 | | 2020 | 7,582,878 | | 2019 | 7,673,844 | | 2018 | 7,764,161 | | 2017 | 7,851,020 | | 2016 | 7,932,047 | | 2015 | 8,011,720 | | 2014 | 8,087,145 | | 2013 | 8,157,492 | | 2012 | 8,223,294 | | 2011 | 8,285,667 | | 2010 | 8,353,414 | | 2009 | 8,443,998 | | 2008 | 8,513,687 | | 2007 | 8,572,100 | | 2006 | 8,620,066 | | 2005 | 8,660,016 | | 2004 | 8,690,824 | | 2003 | 8,713,221 | | 2002 | 8,726,045 | | 2001 | 8,729,094 | | 2000 | 8,724,434 | | 1999 | 8,781,487 | | 1998 | 8,834,142 | | 1997 | 8,874,294 | | 1996 | 8,902,706 | | 1995 | 8,923,058 | | 1994 | 8,932,057 | | 1993 | 8,932,772 | | 1992 | 8,927,280 | | 1991 | 8,904,951 | | 1990 | 8,794,612 | | 1989 | 8,678,231 | | 1988 | 8,554,463 | | 1987 | 8,425,396 | | 1986 | 8,297,320 | | 1985 | 8,174,559 | | 1984 | 8,060,073 | | 1983 | 7,954,692 | | 1982 | 7,855,080 | | 1981 | 7,757,998 | | 1980 | 7,659,295 | | 1979 | 7,575,914 | | 1978 | 7,492,341 | | 1977 | 7,405,768 | | 1976 | 7,322,437 | | 1975 | 7,243,558 | | 1974 | 7,164,518 | | 1973 | 7,086,300 | | 1972 | 7,009,819 | | 1971 | 6,936,090 | | 1970 | 6,858,569 | | 1969 | 6,768,595 | | 1968 | 6,677,213 | | 1967 | 6,582,510 | | 1966 | 6,481,753 | | 1965 | 6,371,620 | | 1964 | 6,253,007 | | 1963 | 6,129,259 | | 1962 | 6,002,177 | | 1961 | 5,875,147 | | 1960 | 5,750,153 |
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