Year | Value | 2022 | 48,497,318 | 2021 | 49,088,471 | 2020 | 49,468,508 | 2019 | 49,567,024 | 2018 | 49,614,561 | 2017 | 49,690,815 | 2016 | 49,794,663 | 2015 | 49,902,655 | 2014 | 50,000,020 | 2013 | 50,093,248 | 2012 | 50,190,366 | 2011 | 50,292,655 | 2010 | 50,397,708 | 2009 | 50,567,585 | 2008 | 50,654,999 | 2007 | 50,833,704 | 2006 | 51,023,769 | 2005 | 51,151,207 | 2004 | 51,287,572 | 2003 | 51,427,912 | 2002 | 51,593,196 | 2001 | 51,943,548 | 2000 | 52,323,168 | 1999 | 52,627,522 | 1998 | 52,746,647 | 1997 | 52,867,238 | 1996 | 52,996,151 | 1995 | 53,142,927 | 1994 | 53,250,876 | 1993 | 53,289,122 | 1992 | 53,351,244 | 1991 | 53,553,563 | 1990 | 53,711,158 | 1989 | 53,759,611 | 1988 | 53,722,777 | 1987 | 53,547,278 | 1986 | 53,325,242 | 1985 | 53,095,245 | 1984 | 52,857,040 | 1983 | 52,597,849 | 1982 | 52,322,786 | 1981 | 52,031,785 | 1980 | 51,746,620 | 1979 | 51,455,793 | 1978 | 51,151,074 | 1977 | 50,798,978 | 1976 | 50,386,213 | 1975 | 49,938,386 | 1974 | 49,483,085 | 1973 | 49,073,627 | 1972 | 48,700,652 | 1971 | 48,344,749 | 1970 | 48,099,156 | 1969 | 47,838,429 | 1968 | 47,477,668 | 1967 | 47,056,350 | 1966 | 46,604,193 | 1965 | 46,238,392 | 1964 | 45,858,081 | 1963 | 45,403,130 | 1962 | 44,967,955 | 1961 | 44,556,588 | 1960 | 44,117,889 |
|