| Year | Value | | 2022 | 5,579,144 | | 2021 | 5,457,154 | | 2020 | 5,343,020 | | 2019 | 5,209,324 | | 2018 | 5,094,780 | | 2017 | 4,996,741 | | 2016 | 4,904,177 | | 2015 | 4,819,333 | | 2014 | 4,798,734 | | 2013 | 4,802,428 | | 2012 | 4,773,306 | | 2011 | 4,732,022 | | 2010 | 4,660,067 | | 2009 | 4,564,540 | | 2008 | 4,467,233 | | 2007 | 4,375,569 | | 2006 | 4,294,352 | | 2005 | 4,208,834 | | 2004 | 4,115,138 | | 2003 | 4,026,841 | | 2002 | 3,930,648 | | 2001 | 3,844,773 | | 2000 | 3,759,170 | | 1999 | 3,655,360 | | 1998 | 3,555,064 | | 1997 | 3,458,472 | | 1996 | 3,363,570 | | 1995 | 3,276,706 | | 1994 | 3,187,844 | | 1993 | 3,089,146 | | 1992 | 2,991,727 | | 1991 | 2,898,052 | | 1990 | 2,809,221 | | 1989 | 2,724,109 | | 1988 | 2,657,235 | | 1987 | 2,615,594 | | 1986 | 2,583,631 | | 1985 | 2,553,075 | | 1984 | 2,523,538 | | 1983 | 2,495,097 | | 1982 | 2,467,635 | | 1981 | 2,441,010 | | 1980 | 2,415,276 | | 1979 | 2,390,329 | | 1978 | 2,365,957 | | 1977 | 2,342,048 | | 1976 | 2,318,349 | | 1975 | 2,283,927 | | 1974 | 2,239,305 | | 1973 | 2,195,905 | | 1972 | 2,153,613 | | 1971 | 2,111,224 | | 1970 | 2,067,356 | | 1969 | 2,021,519 | | 1968 | 1,975,257 | | 1967 | 1,930,861 | | 1966 | 1,888,853 | | 1965 | 1,849,171 | | 1964 | 1,811,694 | | 1963 | 1,776,214 | | 1962 | 1,742,502 | | 1961 | 1,710,364 | | 1960 | 1,679,728 |
|