Unix
Years Experience on Platform	Number	Average
1	17	R16 513
2	14	R16 140
3	15	R18 820
4	9	R11 398
5	14	R17 281
6	3	R22 333
7	7	R26 844
8	6	R18 989
9	4	R21 329
10	12	R22 291
11	2	R10 083
12	3	R21 301
14	1	R22 500
15	4	R31 458
18	1	R23 750