5.2 months
9.5 months
n/a
2.0 rounds
2.3 reports
difficult
3.8 months
9.3 months
n/a
2.0 rounds
2.0 reports
very difficult
1.4 months
2.2 months
n/a
2.0 rounds
3.0 reports
moderate
1.5 months
1.5 months
n/a
1.0 rounds
2.0 reports
n/a
1.9 months
2.0 months
n/a
2.0 rounds
2.0 reports
very easy
2.0 months
3.4 months
n/a
2.0 rounds
2.0 reports
easy
2.9 months
5.3 months
n/a
3.0 rounds
2.0 reports
difficult
2.6 months
7.3 months
n/a
3.0 rounds
2.0 reports
difficult
2.3 months
3.2 months
n/a
2.0 rounds
2.0 reports
difficult
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a