"since_year","till_year","Total","Graph"
"0","99","68","="
"100","199","49",""
"200","299","95","="
"300","399","137","="
"400","499","159","=="
"500","599","203","=="
"600","699","194","=="
"700","799","230","=="
"800","899","409","===="
"900","999","674","======="
"1000","1099","1281","============="
"1100","1199","1772","=================="
"1200","1299","1830","=================="
"1300","1399","1205","============"
"1400","1499","512","====="
"1500","1599","300","==="
"1600","1699","192","=="
"1700","1799","337","==="
"1800","1899","1050","==========="
"1900","1999","921","========="
"2000","2099","19",""