Year	Total
1971	657100000
1972	723100000
1973	763100000
1974	832100000
1975	889200000
1976	971200000
1977	984200000
1978	1066000000
1979	1033000000
1980	1213000000
1981	1314000000
1982	1454000000
1983	1484000000
1984	1578000000
1985	1704000000
1986	1852000000
1987	2016000000
1988	2084000000
1989	1464000000
1990	1561000000
1991	1615000000
1992	1662000000
1993	1792000000
1994	1920000000
1995	1965000000
1996	2043000000
1997	2119000000
1998	2273000000
1999	2381000000
2000	2514000000
2001	2610000000
2002	2749000000
2003	2862000000
2004	2929000000
2005	3060000000
2006	3186000000
2007	3286000000
2008	3347000000