Year | Value | 2022 | 27,139,730 | 2021 | 27,211,890 | 2020 | 27,245,285 | 2019 | 27,243,392 | 2018 | 27,227,732 | 2017 | 27,197,722 | 2016 | 27,146,638 | 2015 | 27,090,367 | 2014 | 27,029,711 | 2013 | 26,946,441 | 2012 | 26,839,730 | 2011 | 26,701,099 | 2010 | 26,522,463 | 2009 | 26,356,912 | 2008 | 26,194,661 | 2007 | 26,016,534 | 2006 | 25,806,692 | 2005 | 25,562,663 | 2004 | 25,283,391 | 2003 | 24,980,716 | 2002 | 24,651,015 | 2001 | 24,299,104 | 2000 | 23,942,461 | 1999 | 23,578,177 | 1998 | 23,221,146 | 1997 | 22,883,657 | 1996 | 22,553,563 | 1995 | 22,224,770 | 1994 | 21,890,157 | 1993 | 21,545,192 | 1992 | 21,197,249 | 1991 | 20,864,420 | 1990 | 20,554,838 | 1989 | 20,284,047 | 1988 | 20,041,163 | 1987 | 19,780,718 | 1986 | 19,476,538 | 1985 | 19,113,650 | 1984 | 18,695,316 | 1983 | 18,234,826 | 1982 | 17,754,187 | 1981 | 17,268,527 | 1980 | 16,780,294 | 1979 | 16,303,018 | 1978 | 15,840,966 | 1977 | 15,385,759 | 1976 | 14,952,423 | 1975 | 14,535,405 | 1974 | 14,116,446 | 1973 | 13,683,370 | 1972 | 13,228,385 | 1971 | 12,760,237 | 1970 | 12,285,406 | 1969 | 11,820,917 | 1968 | 11,398,618 | 1967 | 11,035,584 | 1966 | 10,726,849 | 1965 | 10,445,242 | 1964 | 10,171,964 | 1963 | 9,909,469 | 1962 | 9,650,011 | 1961 | 9,393,750 | 1960 | 9,145,525 |
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