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
4.2 months
8.8 months
n/a
2.0 rounds
2.1 reports
moderate
1.0 months
1.9 months
n/a
2.0 rounds
2.0 reports
easy
9.3 months
12.4 months
n/a
3.0 rounds
3.0 reports
difficult
4.1 months
4.8 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
2.5 months
2.8 months
n/a
2.0 rounds
3.0 reports
very difficult
5.9 months
9.9 months
n/a
2.5 rounds
1.0 reports
easy