0.9 months
1.1 months
n/a
2.0 rounds
2.0 reports
very easy
5.1 months
13.6 months
n/a
3.0 rounds
2.0 reports
difficult
3.0 months
4.6 months
n/a
3.0 rounds
3.0 reports
very difficult
4.5 months
5.3 months
n/a
1.7 rounds
2.0 reports
moderate
4.7 months
4.7 months
n/a
1.0 rounds
3.0 reports
n/a
2.6 months
3.7 months
n/a
1.7 rounds
2.0 reports
moderate