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
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
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
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
3.6 months
6.0 months
6 days
2.3 rounds
2.5 reports
very difficult
11.3 months
20.3 months
n/a
2.0 rounds
1.5 reports
easy
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
2.9 months
3.8 months
3 days
1.3 rounds
1.3 reports
very easy
1.5 months
3.3 months
n/a
2.5 rounds
2.5 reports
difficult
4.0 months
5.2 months
n/a
2.0 rounds
2.0 reports
moderate
3.7 months
6.1 months
n/a
1.5 rounds
2.0 reports
difficult