0.6 months
1.6 months
15 days
2.0 rounds
4.0 reports
very difficult
2.5 months
2.7 months
n/a
2.0 rounds
2.0 reports
moderate
4.0 months
5.6 months
n/a
2.0 rounds
3.0 reports
moderate
2.0 months
2.1 months
n/a
2.0 rounds
3.0 reports
very easy
0.9 months
1.2 months
n/a
2.0 rounds
2.0 reports
moderate
1.9 months
2.2 months
n/a
2.0 rounds
2.0 reports
difficult
1.4 months
2.4 months
n/a
2.0 rounds
3.0 reports
difficult
4.1 months
4.6 months
n/a
3.0 rounds
3.0 reports
difficult
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a