"Tree","age","circumference"
"1",118,30
"1",484,58
"1",664,87
"1",1004,115
"1",1231,120
"1",1372,142
"1",1582,145
"2",118,33
"2",484,69
"2",664,111
"2",1004,156
"2",1231,172
"2",1372,203
"2",1582,203
"3",118,30
"3",484,51
"3",664,75
"3",1004,108
"3",1231,115
"3",1372,139
"3",1582,140
"4",118,32
"4",484,62
"4",664,112
"4",1004,167
"4",1231,179
"4",1372,209
"4",1582,214
"5",118,30
"5",484,49
"5",664,81
"5",1004,125
"5",1231,142
"5",1372,174
"5",1582,177