Year | Value | 2022 | 14,304,943 | 2021 | 14,311,154 | 2020 | 14,374,571 | 2019 | 14,398,253 | 2018 | 14,418,673 | 2017 | 14,474,170 | 2016 | 14,605,419 | 2015 | 14,764,461 | 2014 | 14,943,682 | 2013 | 15,123,209 | 2012 | 15,280,806 | 2011 | 15,434,532 | 2010 | 15,607,386 | 2009 | 15,729,357 | 2008 | 15,816,289 | 2007 | 15,855,301 | 2006 | 15,921,995 | 2005 | 16,010,100 | 2004 | 16,090,419 | 2003 | 16,208,371 | 2002 | 16,358,428 | 2001 | 16,488,259 | 2000 | 16,596,340 | 1999 | 16,700,353 | 1998 | 16,751,508 | 1997 | 16,706,738 | 1996 | 16,629,977 | 1995 | 16,557,576 | 1994 | 16,431,449 | 1993 | 16,272,747 | 1992 | 16,155,303 | 1991 | 16,062,770 | 1990 | 15,951,813 | 1989 | 15,850,201 | 1988 | 15,735,023 | 1987 | 15,615,781 | 1986 | 15,493,302 | 1985 | 15,401,595 | 1984 | 15,367,543 | 1983 | 15,372,016 | 1982 | 15,355,889 | 1981 | 15,227,357 | 1980 | 14,797,853 | 1979 | 14,228,484 | 1978 | 13,739,151 | 1977 | 13,232,288 | 1976 | 12,846,552 | 1975 | 12,864,122 | 1974 | 13,063,911 | 1973 | 13,160,305 | 1972 | 13,273,648 | 1971 | 13,377,446 | 1970 | 13,374,988 | 1969 | 13,296,428 | 1968 | 13,179,523 | 1967 | 13,084,276 | 1966 | 13,040,841 | 1965 | 13,054,354 | 1964 | 13,081,964 | 1963 | 13,116,203 | 1962 | 13,125,653 | 1961 | 13,039,545 | 1960 | 12,877,738 |
|