Year | Value | 2022 | 14,679,358 | 2021 | 15,070,539 | 2020 | 15,143,331 | 2019 | 15,172,143 | 2018 | 15,167,875 | 2017 | 15,150,057 | 2016 | 15,120,448 | 2015 | 15,088,963 | 2014 | 15,051,507 | 2013 | 15,014,846 | 2012 | 14,976,333 | 2011 | 14,928,409 | 2010 | 14,877,776 | 2009 | 14,877,599 | 2008 | 14,824,820 | 2007 | 14,779,722 | 2006 | 14,745,032 | 2005 | 14,712,016 | 2004 | 14,675,719 | 2003 | 14,641,519 | 2002 | 14,608,969 | 2001 | 14,625,682 | 2000 | 14,646,934 | 1999 | 14,817,709 | 1998 | 14,836,338 | 1997 | 14,848,040 | 1996 | 14,855,705 | 1995 | 14,861,776 | 1994 | 14,858,578 | 1993 | 14,844,565 | 1992 | 14,824,105 | 1991 | 14,795,540 | 1990 | 14,760,306 | 1989 | 14,719,583 | 1988 | 14,735,285 | 1987 | 14,812,582 | 1986 | 14,866,334 | 1985 | 14,902,331 | 1984 | 14,919,234 | 1983 | 14,920,566 | 1982 | 14,915,727 | 1981 | 14,912,632 | 1980 | 14,910,549 | 1979 | 14,905,343 | 1978 | 14,958,284 | 1977 | 15,063,720 | 1976 | 15,141,165 | 1975 | 15,211,597 | 1974 | 15,280,453 | 1973 | 15,351,984 | 1972 | 15,429,055 | 1971 | 15,517,086 | 1970 | 15,638,034 | 1969 | 15,712,366 | 1968 | 15,719,100 | 1967 | 15,697,376 | 1966 | 15,673,858 | 1965 | 15,682,854 | 1964 | 15,654,736 | 1963 | 15,562,999 | 1962 | 15,479,763 | 1961 | 15,423,370 | 1960 | 15,443,482 |
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