"since_year","till_year","Totals","Graphic"
"1090","1099","1",""
"1440","1449","1",""
"1500","1509","3",""
"1510","1519","1",""
"1520","1529","1",""
"1530","1539","2",""
"1540","1549","4",""
"1550","1559","1",""
"1570","1579","2",""
"1590","1599","1",""
"1600","1609","3",""
"1610","1619","1",""
"1620","1629","1",""
"1630","1639","2",""
"1640","1649","5","="
"1650","1659","6","="
"1660","1669","5","="
"1670","1679","7","="
"1680","1689","5","="
"1690","1699","13","="
"1700","1709","4",""
"1710","1719","3",""
"1720","1729","8","="
"1730","1739","2",""
"1740","1749","5","="
"1750","1759","4",""
"1760","1769","7","="
"1770","1779","12","="
"1780","1789","6","="
"1790","1799","24","=="
"1800","1809","12","="
"1810","1819","25","==="
"1820","1829","24","=="
"1830","1839","28","==="
"1840","1849","26","==="
"1850","1859","32","==="
"1860","1869","29","==="
"1870","1879","35","===="
"1880","1889","22","=="
"1890","1899","31","==="
"1900","1909","27","==="
"1910","1919","10","="
"1920","1929","7","="
"1930","1939","8","="
"1940","1949","3",""
"1950","1959","6","="
"1960","1969","4",""
"1970","1979","3",""
"1980","1989","4",""
"2010","2019","3",""