get https://try.count.ly/o/analytics/durations?api_key=&app_id=
Retrieves durations data for specified period
Retrieves durations data, where
- ds - durations bucket id
- t - amount of users in bucket for that period
- percent - percentage of users in bucket for that period
Durations buckets are:
- "0-10 seconds"
- "11-30 seconds"
- "31-60 seconds"
- "1-3 minutes"
- "3-10 minutes"
- "10-30 minutes"
- "30-60 minutes"
- "> 1 hours"