0.9 months
1.8 months
n/a
2.0 rounds
4.0 reports
very difficult
1.8 months
2.2 months
n/a
2.0 rounds
1.0 reports
difficult
1.3 months
1.3 months
n/a
2.0 rounds
2.0 reports
very easy
4.2 months
6.6 months
n/a
2.0 rounds
3.0 reports
easy
0.8 months
0.8 months
n/a
1.0 rounds
2.0 reports
n/a
0.7 months
1.2 months
n/a
2.0 rounds
2.0 reports
very difficult
4.5 months
5.1 months
n/a
2.0 rounds
3.0 reports
difficult
1.2 months
2.1 months
n/a
2.0 rounds
2.0 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