I just noticed one of my trade routes changing from 38 bc/turn (should this be bc/week, or bc/month?; various places seem to disagree), to 6bc/turn.
As this happened when it changed from 52/53 on its route, to 0/53 on its route, I would presume it is intentional.
This, however, means that the 'max value' field on the domestic stats/trade tab, which always reports the same value as the current value field, just above it, is not working.
Please fix.