"JahrVon","JahrBis","Anzahl","Graphik"
"700","799","2",""
"800","899","1",""
"1000","1099","1",""
"1100","1199","3",""
"1200","1299","2",""
"1400","1499","10",""
"1500","1599","18",""
"1600","1699","33",""
"1700","1799","58","X"
"1800","1899","163","XX"
"1900","1999","200","XX"
"2000","2099","17",""