User:Wonghk3/sandbox/hist populations

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 * 1790 |xxxx
 * 1800 |xxxx
 * 1810 |xxxx
 * 1820 |xxxx
 * 1830 |xxxx
 * 1840 |xxxx
 * 1850 |xxxx
 * 1860 |xxxx
 * 1870 |xxxx
 * 1880 |xxxx
 * 1890 |xxxx
 * 1900 |xxxx