Year | Value | 2022 | 26,633,723 | 2021 | 26,702,023 | 2020 | 26,734,319 | 2019 | 26,736,157 | 2018 | 26,721,116 | 2017 | 26,682,424 | 2016 | 26,615,652 | 2015 | 26,538,874 | 2014 | 26,455,220 | 2013 | 26,352,152 | 2012 | 26,235,110 | 2011 | 26,095,228 | 2010 | 25,920,723 | 2009 | 25,764,140 | 2008 | 25,612,193 | 2007 | 25,441,534 | 2006 | 25,240,230 | 2005 | 25,007,982 | 2004 | 24,739,440 | 2003 | 24,443,293 | 2002 | 24,113,082 | 2001 | 23,750,320 | 2000 | 23,373,867 | 1999 | 22,983,608 | 1998 | 22,594,416 | 1997 | 22,219,983 | 1996 | 21,853,068 | 1995 | 21,491,529 | 1994 | 21,131,215 | 1993 | 20,770,271 | 1992 | 20,414,690 | 1991 | 20,078,295 | 1990 | 19,766,199 | 1989 | 19,491,970 | 1988 | 19,246,913 | 1987 | 18,990,478 | 1986 | 18,700,265 | 1985 | 18,362,859 | 1984 | 17,979,523 | 1983 | 17,560,186 | 1982 | 17,120,890 | 1981 | 16,670,924 | 1980 | 16,206,900 | 1979 | 15,740,351 | 1978 | 15,281,201 | 1977 | 14,826,930 | 1976 | 14,395,286 | 1975 | 13,981,866 | 1974 | 13,569,007 | 1973 | 13,146,083 | 1972 | 12,704,207 | 1971 | 12,249,852 | 1970 | 11,788,570 | 1969 | 11,333,522 | 1968 | 10,915,357 | 1967 | 10,554,758 | 1966 | 10,249,241 | 1965 | 9,972,699 | 1964 | 9,706,072 | 1963 | 9,451,863 | 1962 | 9,202,351 | 1961 | 8,956,764 | 1960 | 8,719,413 |
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