Nurse	Before	After
1	0.5	0.857
2	0.5	0.833
3	1	1
4	0	1
5	0	1
6	0	1
7	1	1
8	0	1
9	0	0.667
10	0.167	1
11	0	0.75
12	0	1
13	0	1
14	1	1