"since_year","till_year","Anzahl","Graphik"
"1600","1609","1",""
"1630","1639","1",""
"1660","1669","1",""
"1670","1679","1",""
"1680","1689","1",""
"1700","1709","2",""
"1710","1719","1",""
"1720","1729","6",""
"1730","1739","2",""
"1740","1749","5",""
"1750","1759","2",""
"1770","1779","1",""
"1780","1789","3",""
"1790","1799","1",""
"1800","1809","1",""
"1810","1819","5",""
"1820","1829","5",""
"1830","1839","6",""
"1840","1849","4",""
"1850","1859","8",""
"1860","1869","15","="
"1870","1879","19","="
"1880","1889","20","="
"1890","1899","14","="
"1900","1909","15","="
"1910","1919","12","="
"1920","1929","12","="
"1930","1939","10","="
"1940","1949","3",""
"1950","1959","10","="
"1960","1969","4",""
"1970","1979","7",""
"1980","1989","2",""
"1990","1999","5",""
"2000","2009","3",""
"2010","2019","1",""