| Year | Value | | 2022 | 10,680,237 | | 2021 | 10,634,241 | | 2020 | 10,380,175 | | 2019 | 9,977,376 | | 2018 | 9,601,643 | | 2017 | 9,198,605 | | 2016 | 8,863,678 | | 2015 | 8,812,302 | | 2014 | 8,893,586 | | 2013 | 8,883,726 | | 2012 | 8,892,203 | | 2011 | 8,899,682 | | 2010 | 8,845,889 | | 2009 | 8,698,711 | | 2008 | 8,544,522 | | 2007 | 8,403,948 | | 2006 | 8,293,730 | | 2005 | 8,207,685 | | 2004 | 8,129,368 | | 2003 | 8,072,268 | | 2002 | 8,011,124 | | 2001 | 7,894,138 | | 2000 | 7,734,778 | | 1999 | 7,555,058 | | 1998 | 7,379,189 | | 1997 | 7,231,591 | | 1996 | 7,125,651 | | 1995 | 7,025,576 | | 1994 | 6,808,748 | | 1993 | 6,381,407 | | 1992 | 5,835,756 | | 1991 | 5,294,095 | | 1990 | 4,844,578 | | 1989 | 4,726,053 | | 1988 | 5,006,604 | | 1987 | 5,467,566 | | 1986 | 5,916,679 | | 1985 | 6,256,199 | | 1984 | 6,416,458 | | 1983 | 6,437,069 | | 1982 | 6,402,353 | | 1981 | 6,353,514 | | 1980 | 6,304,607 | | 1979 | 6,224,709 | | 1978 | 6,132,343 | | 1977 | 6,046,909 | | 1976 | 5,967,686 | | 1975 | 5,884,907 | | 1974 | 5,764,618 | | 1973 | 5,603,216 | | 1972 | 5,409,590 | | 1971 | 5,196,354 | | 1970 | 4,974,169 | | 1969 | 4,770,753 | | 1968 | 4,612,891 | | 1967 | 4,468,878 | | 1966 | 4,332,603 | | 1965 | 4,223,503 | | 1964 | 4,151,869 | | 1963 | 4,103,970 | | 1962 | 4,073,764 | | 1961 | 4,040,220 | | 1960 | 4,006,711 |
|