Year	Number of People
1800	551900
1820	551900
1970	1511000
1971	1544000
1972	1577000
1973	1609000
1974	1643000
1975	1678000
1976	1716000
1977	1757000
1978	1800000
1979	1847000
1980	1898000
1981	1955000
1982	2016000
1983	2082000
1984	2150000
1985	2220000
1986	2290000
1987	2362000
1988	2438000
1989	2567000
1990	2681000
2008	4965000