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
1.9 months
4.0 months
n/a
2.0 rounds
3.0 reports
very difficult
1.1 months
1.7 months
n/a
3.0 rounds
3.0 reports
difficult
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
1.4 months
2.2 months
n/a
2.0 rounds
3.0 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