"Year_From","Year_Till","Number","Grafic"
"400","499","3",""
"500","599","21",""
"600","699","22",""
"700","799","51","="
"800","899","105","="
"900","999","179","=="
"1000","1099","149","="
"1100","1199","110","="
"1200","1299","126","="
"1300","1399","126","="
"1400","1499","116","="
"1500","1599","301","==="
"1600","1699","2297","======================="
"1700","1799","9653","================================================================================================="
"1800","1899","28556","=============================================================================================================================================================================================================================================================================================="
"1900","1999","33123","==========================================================================================================================================================================================================================================================================================================================================="
"2000","2099","158","=="