"since_year","till_year","Totals","Graph"
"1690","1699","2",""
"1700","1709","3",""
"1720","1729","2",""
"1730","1739","2",""
"1740","1749","3",""
"1750","1759","3",""
"1760","1769","3",""
"1770","1779","1",""
"1780","1789","5","="
"1790","1799","2",""
"1800","1809","2",""
"1810","1819","1",""
"1820","1829","1",""
"1830","1839","4",""
"1840","1849","7","="
"1850","1859","5","="
"1860","1869","6","="
"1870","1879","6","="
"1880","1889","3",""
"1890","1899","4",""
"1900","1909","3",""
"1910","1919","4",""
"1920","1929","1",""
"1930","1939","1",""
"1950","1959","1",""