Haha yep!
Will have to generalize on some answers due to number of birds and years(30) involved:
1. Total probably 400 ish. A lot were young & yearlings set loose until sale and not all at once, 10-40 each year generally. At childhood house, was average of 25 permanent birds(some birds disappeared, some years peahens successfully raised lots of babies etc).
2. All I got eventually had some free ranging. All India colors, except cameo(never liked this color), and newer ones like charcoal, violeta(never had those). Also spaldings of low and high percentages and pure greens. YES I "dared" to let pure ones free range...
3. Most free ranges were totally free range, never penned until either disappeared somehow or for sale/sold off.
4. Yep. A lot were under year old & yearlings. Usually how it went was have them walk into an empty pen then kept in there until sale or captured right away for someone who wanted 'this or that bird'.
5. Yep. The peahens would try their best to be mothers.. but they usually lost quite a lot of their babies. At childhood house, peahens often re-nested twice or thrice because they lost all of their first or second round of chicks. No pen or anything so could not confine peahens with chicks for first few weeks before letting free again- survival rate improved immensely after doing this, almost 100% survival if mother and babies were confined and released when babies were at least 1 1/2 or 2 months old. You didn't ask- a lot of peachicks were hatched and raised by chickens on free range also.
6. Variable. Basically all 'trusted' me, some were much more friendly/tame than others.. individual thing. Some did not mind strangers, most were wary of strangers to varying degrees, some would have nothing to do with strangers. Mostly due to not many visitors/most visitors being buyers, probably cause a negative correlation this way...
7. 30ish years.
8. Several disappeared for unknown reasons, some were lost to bobcats, some were chased/captured when seen outside my yard(had neighbors tell me they see people passing by stop to try catching peafowl that were out by the road. A few people deliberately tried to run them over if they were on the road), some neighbors apparently trapped and kept some when they wandered into their yards.
9. My main one is visual- my old house was in a hilly area, lots of old mature trees, with avocado and macadamia nut groves. Every day when I came home from school, they would come running or (my favorite part) they would fly/glide in from wherever they were during the day. It's surprising how graceful they are, even the adult males with full tails...
10. At first all had names, but when it started to be a lot of birds and started to sell, gradually stopped naming them. It's silly but it's a lot harder to sell something you named than something that was never named. Kind of like not naming the calf or piglet destined for butchering.