1.6 months
2.7 months
n/a
2.0 rounds
2.0 reports
very easy
16.3 months
22.9 months
n/a
3.0 rounds
3.5 reports
very difficult
4.5 months
5.0 months
n/a
1.5 rounds
2.0 reports
very difficult
2.3 months
5.2 months
38 days
2.0 rounds
2.5 reports
very difficult
4.6 months
6.2 months
75 days
1.8 rounds
1.3 reports
moderate