"since_year","till_year","Totals","Graph"
"1780","1789","2",""
"1800","1809","1",""
"1820","1829","1",""
"1830","1839","1",""
"1840","1849","1",""
"1850","1859","2",""
"1860","1869","3",""
"1870","1879","6","="
"1880","1889","2",""
"1890","1899","4",""
"1900","1909","14","="
"1910","1919","7","="
"1920","1929","15","=="
"1930","1939","10","="
"1940","1949","6","="
"1950","1959","4",""
"1960","1969","5","="
"1970","1979","6","="
"1980","1989","3",""
"1990","1999","4",""
"2000","2009","4",""
"2010","2019","1",""