4.2 months
7.3 months
n/a
2.2 rounds
2.2 reports
moderate
1.4 months
2.9 months
n/a
2.3 rounds
3.0 reports
difficult
4.4 months
7.4 months
n/a
2.5 rounds
4.2 reports
difficult
9.0 months
15.1 months
n/a
3.0 rounds
2.0 reports
very difficult
2.7 months
3.2 months
n/a
3.0 rounds
4.0 reports
easy
4.1 months
4.6 months
n/a
3.0 rounds
3.0 reports
difficult
6.0 months
13.5 months
n/a
3.0 rounds
3.0 reports
very difficult
7.5 months
11.2 months
n/a
3.0 rounds
3.0 reports
moderate
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a