2.6 months
4.2 months
n/a
2.5 rounds
2.3 reports
moderate
11.3 months
20.3 months
n/a
2.0 rounds
1.5 reports
easy
2.8 months
8.7 months
n/a
3.0 rounds
3.0 reports
difficult
2.0 months
2.5 months
n/a
2.0 rounds
1.0 reports
difficult
1.1 months
1.1 months
n/a
1.0 rounds
0.0 reports
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
2.8 months
4.6 months
n/a
3.0 rounds
3.0 reports
very difficult
8.0 months
9.0 months
n/a
2.0 rounds
2.0 reports
difficult
4.6 months
4.6 months
n/a
1.0 rounds
2.0 reports
n/a
2.3 months
5.1 months
n/a
2.0 rounds
5.0 reports
very easy
5.2 months
5.2 months
n/a
1.0 rounds
3.0 reports
n/a
4.3 months
4.3 months
n/a
1.0 rounds
2.0 reports
n/a
5.7 months
6.9 months
n/a
2.0 rounds
1.0 reports
very difficult
0.3 months
0.7 months
n/a
2.0 rounds
2.0 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