n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
3.7 months
4.1 months
n/a
2.0 rounds
2.0 reports
difficult
1.6 months
2.8 months
n/a
2.0 rounds
2.0 reports
very difficult
3.1 months
3.1 months
n/a
1.0 rounds
1.0 reports
n/a