"since_year","till_year","Totals","Graph"
"1270","1279","1",""
"1350","1359","1",""
"1400","1409","1",""
"1420","1429","1",""
"1430","1439","1",""
"1440","1449","1",""
"1450","1459","1",""
"1460","1469","1",""
"1470","1479","4",""
"1480","1489","5","="
"1490","1499","3",""
"1510","1519","2",""
"1520","1529","3",""
"1540","1549","3",""
"1560","1569","3",""
"1570","1579","1",""
"1580","1589","6","="
"1590","1599","4",""
"1600","1609","6","="
"1610","1619","4",""
"1620","1629","3",""
"1630","1639","3",""
"1640","1649","5","="
"1650","1659","6","="
"1660","1669","10","="
"1670","1679","10","="
"1680","1689","31","==="
"1690","1699","21","=="
"1700","1709","20","=="
"1710","1719","18","=="
"1720","1729","37","===="
"1730","1739","34","==="
"1740","1749","33","==="
"1750","1759","47","====="
"1760","1769","37","===="
"1770","1779","43","===="
"1780","1789","40","===="
"1790","1799","39","===="
"1800","1809","31","==="
"1810","1819","53","====="
"1820","1829","47","====="
"1830","1839","50","====="
"1840","1849","63","======"
"1850","1859","58","======"
"1860","1869","66","======="
"1870","1879","56","======"
"1880","1889","69","======="
"1890","1899","76","========"
"1900","1909","84","========"
"1910","1919","91","========="
"1920","1929","103","=========="
"1930","1939","82","========"
"1940","1949","87","========="
"1950","1959","115","============"
"1960","1969","72","======="
"1970","1979","83","========"
"1980","1989","89","========="
"1990","1999","69","======="
"2000","2009","35","===="
"2010","2019","27","==="
"2020","2029","7","="