1.6 months
2.5 months
n/a
2.0 rounds
2.0 reports
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
3.7 months
4.8 months
n/a
3.0 rounds
2.0 reports
very difficult
12.3 months
14.3 months
n/a
1.3 rounds
2.0 reports
moderate