"Year_From","Year_Till","Total","Graphic"
"100","199","1",""
"900","999","2",""
"1000","1099","4",""
"1100","1199","2",""
"1200","1299","2",""
"1300","1399","1",""
"1400","1499","11",""
"1500","1599","80","="
"1600","1699","724","======="
"1700","1799","4246","=========================================="
"1800","1899","7088","======================================================================="
"1900","1999","3593","===================================="
"2000","2099","44",""