3.7 months
6.1 months
n/a
1.5 rounds
2.0 reports
difficult
5.9 months
7.9 months
n/a
2.0 rounds
3.0 reports
very easy
5.0 months
9.4 months
n/a
2.3 rounds
2.7 reports
difficult
14.7 months
16.4 months
n/a
2.0 rounds
1.0 reports
moderate
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