1.8 months
1.9 months
n/a
2.0 rounds
3.0 reports
difficult
4.5 months
7.0 months
n/a
2.0 rounds
2.0 reports
very difficult
3.0 months
3.5 months
n/a
2.0 rounds
5.0 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