Percent Person  
Effort Months
5.00% 0.6
10.00% 1.2
15.00% 1.8
20.00% 2.4
25.00% 3
30.00% 3.6
35.00% 4.2
40.00% 4.8
45.00% 5.4
50.00% 6
55.00% 6.6
60.00% 7.2
65.00% 7.8
70.00% 8.4
75.00% 9
80.00% 9.6
85.00% 10.2
90.00% 10.8
95.00% 11.4
100.00% 12