n/a
n/a
n/a
n/a
n/a
n/a
n/a
5
1.6 months
2.0 months
n/a
1.8 rounds
1.5 reports
very difficult
4.3
4.5
7.3 months
13.5 months
0 days
3.0 rounds
2.0 reports
moderate
3
2