"since_year","till_year","Number","Graph"
"1390","1399","3",""
"1410","1419","1",""
"1430","1439","1",""
"1440","1449","1",""
"1450","1459","1",""
"1470","1479","2",""
"1490","1499","4",""
"1500","1509","7",""
"1510","1519","6",""
"1520","1529","8",""
"1530","1539","16","="
"1540","1549","15","="
"1550","1559","12","="
"1560","1569","14","="
"1570","1579","17","="
"1580","1589","14","="
"1590","1599","3",""
"1600","1609","5",""
"1610","1619","1",""
"1620","1629","5",""
"1630","1639","4",""
"1640","1649","11","="
"1650","1659","18","="
"1660","1669","10","="
"1670","1679","20","="
"1680","1689","22","="
"1690","1699","17","="
"1700","1709","17","="
"1710","1719","7",""
"1720","1729","12","="
"1730","1739","27","="
"1740","1749","9",""
"1750","1759","22","="
"1760","1769","12","="
"1770","1779","37","=="
"1780","1789","14","="
"1790","1799","21","="
"1800","1809","45","=="
"1810","1819","123","======"
"1820","1829","185","========="
"1830","1839","172","========="
"1840","1849","256","============="
"1850","1859","325","================"
"1860","1869","299","==============="
"1870","1879","373","==================="
"1880","1889","337","================="
"1890","1899","327","================"
"1900","1909","309","==============="
"1910","1919","327","================"
"1920","1929","313","================"
"1930","1939","303","==============="
"1940","1949","310","================"
"1950","1959","286","=============="
"1960","1969","323","================"
"1970","1979","270","=============="
"1980","1989","161","========"
"1990","1999","142","======="
"2000","2009","105","====="
"2010","2019","58","==="
"2020","2029","14","="