"Year_From","Year_Till","Number","Grafic"
"1300","1399","9",""
"1400","1499","96","="
"1500","1599","134","="
"1600","1699","155","=="
"1700","1799","637","======"
"1800","1899","5719","========================================================="
"1900","1999","2080","====================="
"2000","2099","120","="