Diameter	Age
1.8	4
1.8	5
2.2	8
4.4	8
6.6	8
4.4	10
7.7	10
10.8	12
7.7	13
5.5	14
9.9	16
10.1	18
12.1	20
12.8	22
10.3	23
14.3	25
13.2	28
9.9	29
13.2	30
15.4	30
17.6	33
14.3	34
15.4	35
11.0	38
15.4	38
16.5	40
16.5	42