1.4 months
1.6 months
n/a
2.0 rounds
3.0 reports
difficult
2.2 months
4.4 months
n/a
2.0 rounds
3.0 reports
moderate
9.0 months
15.1 months
n/a
3.0 rounds
2.0 reports
very difficult
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