reviews Average CTR, RPM, EPC investigation

im not parking lot of domains but i parked some
my avg was 10% ctr
rpm:300$

I also want to know this so I may understand more about domain parking. Like

1. Parked Since?
2. Parking Service (GoDaddy, Sedo, Bodis, Parking Crew, VooDoo, etc.)
3. Total Parked Domains
4. Average Monthly Views (monthly basis)
5. Average CTR % (monthly basis)
6. Average EPC (monthly basis)

Anybody please share your data

GCS