"since_year","till_year","Number","Graph" "190","199","1","" "1550","1559","1","" "1600","1609","1","" "1610","1619","4","" "1620","1629","4","" "1630","1639","6","" "1640","1649","13","=" "1650","1659","17","=" "1660","1669","22","=" "1670","1679","21","=" "1680","1689","30","==" "1690","1699","29","=" "1700","1709","23","=" "1710","1719","38","==" "1720","1729","42","==" "1730","1739","37","==" "1740","1749","34","==" "1750","1759","40","==" "1760","1769","36","==" "1770","1779","64","===" "1780","1789","68","===" "1790","1799","74","====" "1800","1809","95","=====" "1810","1819","141","=======" "1820","1829","143","=======" "1830","1839","202","==========" "1840","1849","321","================" "1850","1859","459","=======================" "1860","1869","611","===============================" "1870","1879","534","===========================" "1880","1889","661","=================================" "1890","1899","701","===================================" "1900","1909","951","================================================" "1910","1919","1035","====================================================" "1920","1929","1089","======================================================" "1930","1939","1278","================================================================" "1940","1949","1333","===================================================================" "1950","1959","1375","=====================================================================" "1960","1969","1902","===============================================================================================" "1970","1979","1977","===================================================================================================" "1980","1989","1810","===========================================================================================" "1990","1999","1954","==================================================================================================" "2000","2009","1816","===========================================================================================" "2010","2019","1251","===============================================================" "2020","2029","429","====================="