R1/R2 261 251 241 231 321 4.84222222222222 19.2807407407407 31.9140740740741 34.2607407407407 311 5.08296296296296 22.7451851851852 37.8325925925926 40.2185185185185 301 4.97851851851852 22.5674074074074 38.0081481481481 40.54 291 4.97111111111111 23.182962962963 38.4111111111111 41.3051851851852 281 5.15555555555556 23.9266666666667 38.9533333333333 41.7940740740741 271 5.12074074074074 24.2281481481481 39.5511111111111 42.5251851851852