"since_year","till_year","Totals","Graph"
"1340","1349","1",""
"1370","1379","1",""
"1390","1399","1",""
"1420","1429","1",""
"1430","1439","3",""
"1450","1459","1",""
"1460","1469","1",""
"1480","1489","8","="
"1490","1499","1",""
"1500","1509","4",""
"1510","1519","6","="
"1520","1529","11","="
"1530","1539","9","="
"1540","1549","2",""
"1550","1559","3",""
"1560","1569","12","="
"1570","1579","8","="
"1580","1589","7","="
"1590","1599","12","="
"1600","1609","11","="
"1610","1619","4",""
"1620","1629","6","="
"1630","1639","20","=="
"1640","1649","10","="
"1650","1659","5","="
"1660","1669","14","="
"1670","1679","14","="
"1680","1689","11","="
"1690","1699","14","="
"1700","1709","4",""
"1710","1719","4",""
"1720","1729","23","=="
"1730","1739","6","="
"1740","1749","6","="
"1750","1759","20","=="
"1760","1769","34","==="
"1770","1779","26","==="
"1780","1789","32","==="
"1790","1799","35","===="
"1800","1809","58","======"
"1810","1819","100","=========="
"1820","1829","85","========="
"1830","1839","137","=============="
"1840","1849","172","================="
"1850","1859","183","=================="
"1860","1869","199","===================="
"1870","1879","208","====================="
"1880","1889","209","====================="
"1890","1899","211","====================="
"1900","1909","254","========================="
"1910","1919","228","======================="
"1920","1929","250","========================="
"1930","1939","223","======================"
"1940","1949","201","===================="
"1950","1959","34","==="
"1960","1969","12","="
"1970","1979","20","=="
"1980","1989","6","="
"1990","1999","4",""
"2000","2009","24","=="
"2010","2019","22","=="
"2020","2029","2",""