n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
4.0 months
6.4 months
n/a
2.0 rounds
2.5 reports
very difficult
0.6 months
1.3 months
n/a
2.0 rounds
2.0 reports
very difficult
3.3 months
5.2 months
n/a
2.0 rounds
2.0 reports
moderate
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
16 days
n/a
n/a
n/a
n/a
n/a