I'd like to see approval rating (when we have them) mapped over this data, and also some metric for how much they actually got done (bills passed vs brought to

I'd like to see approval rating (when we have them) mapped over this data, and also some metric for how much they actually got done (bills passed vs brought to vote?) I can't help but feel (and I wish I had more data for this) that Congress is doing less and less over time.