| Year | Value | | 2024 | 5,019,427 | | 2023 | 5,062,835 | | 2022 | 5,095,425 | | 2021 | 5,125,318 | | 2020 | 5,165,310 | | 2019 | 5,222,789 | | 2018 | 5,301,352 | | 2017 | 5,392,412 | | 2016 | 5,476,090 | | 2015 | 5,539,232 | | 2014 | 5,573,402 | | 2013 | 5,577,222 | | 2012 | 5,566,275 | | 2011 | 5,554,627 | | 2010 | 5,547,967 | | 2009 | 5,549,779 | | 2008 | 5,560,359 | | 2007 | 5,580,864 | | 2006 | 5,608,264 | | 2005 | 5,635,395 | | 2004 | 5,648,803 | | 2003 | 5,644,912 | | 2002 | 5,630,936 | | 2001 | 5,616,148 | | 2000 | 5,610,876 | | 1999 | 5,626,436 | | 1998 | 5,652,910 | | 1997 | 5,675,041 | | 1996 | 5,694,088 | | 1995 | 5,701,813 | | 1994 | 5,689,142 | | 1993 | 5,661,483 | | 1992 | 5,628,593 | | 1991 | 5,588,779 | | 1990 | 5,542,299 | | 1989 | 5,502,975 | | 1988 | 5,470,001 | | 1987 | 5,440,375 | | 1986 | 5,421,844 | | 1985 | 5,407,363 | | 1984 | 5,397,525 | | 1983 | 5,400,785 | | 1982 | 5,415,228 | | 1981 | 5,434,821 | | 1980 | 5,441,247 | | 1979 | 5,427,809 | | 1978 | 5,401,773 | | 1977 | 5,366,794 | | 1976 | 5,325,868 | | 1975 | 5,272,950 |
|