Microsoft Operating Systems (e.g. Windows 2003)
Years Experience on Platform	Number	Average
1	9	R6 869
2	26	R12 871
3	43	R10 608
4	32	R11 583
5	60	R13 623
6	51	R14 471
7	34	R15 221
8	51	R17 618
9	27	R18 709
10	83	R18 969
11	10	R13 675
12	12	R18 824
13	4	R27 425
14	4	R25 729
15	20	R21 239
16	3	R14 761
17	3	R10 852
18	3	R19 944
19	2	R9 604
20	2	R25 000
20<	14	R12 445