At one time the CO and DO and their wives were expected to put in regular pioneer hours. That has blurred over time.
When I first regular pioneered, 100 hours a month was required. Actually, few regular pioneers make it past 5 years before they quit. Few go back in, burnt out. It will be interesting to see if the numbers of pioneers goes up. The KM is always a few months behind reporting though.
I am not surprised the numbers are going down. It is getting harder and harder to support yourself working only 20 hours a week and working more than that makes the mental and physical pressure of getting your time in.
Blondie