1.8 months
2.4 months
n/a
2.0 rounds
3.0 reports
difficult
3.4 months
5.3 months
n/a
1.5 rounds
3.5 reports
difficult
2.7 months
2.7 months
n/a
2.0 rounds
0.0 reports
very difficult
n/a
1.0 months
1.3 months
n/a
2.0 rounds
1.5 reports
moderate
3.6 months
5.6 months
n/a
2.6 rounds
2.7 reports
moderate