Closing price per monthJan: 182.4; Feb: 176.1; Mar: 190.85; Apr: 205.3; May: 198.75; Jun: 214.2; Jul: 229.65; Aug: 221.1; Sep: 236.4; Oct: 248.95; Nov: 243.3; Dec: 261.80100200300JanFebMarAprMayJunJulAugSepOctNovDecJan: 182.4Feb: 176.1Mar: 190.85Apr: 205.3May: 198.75Jun: 214.2Jul: 229.65Aug: 221.1Sep: 236.4Oct: 248.95Nov: 243.3Dec: 261.8