"Year_From","Year_Till","Number","Grafic"
"0","99","2",""
"100","199","1",""
"200","299","1",""
"300","399","2",""
"400","499","1",""
"600","699","2",""
"800","899","1",""
"1000","1099","1",""
"1300","1399","9",""
"1400","1499","96","="
"1500","1599","137","="
"1600","1699","173","=="
"1700","1799","640","======"
"1800","1899","5723","========================================================="
"1900","1999","2084","====================="
"2000","2099","122","="
"2100","2199","12",""
"2200","2299","6",""
"2300","2399","1",""