4.7 months
6.7 months
n/a
1.7 rounds
3.3 reports
very difficult
4.3 months
6.3 months
n/a
1.7 rounds
2.0 reports
difficult
2.3 months
3.0 months
n/a
2.3 rounds
2.0 reports
difficult
2.8 months
4.7 months
n/a
2.0 rounds
1.8 reports
moderate
4.2 months
7.3 months
n/a
2.2 rounds
2.2 reports
moderate
5.3 months
5.6 months
n/a
1.8 rounds
2.5 reports
difficult
7.1 months
10.0 months
n/a
1.8 rounds
1.0 reports
moderate
2.0 months
2.7 months
n/a
2.0 rounds
2.4 reports
moderate
7.0 months
8.1 months
n/a
1.5 rounds
1.8 reports
very easy
6.2 months
9.3 months
n/a
1.7 rounds
2.3 reports
easy
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a