Thanks for the responses. I had no idea they ate so little as adults. My Carpet Python, in contrast, is hungry always!
She has had less and less of an appetite over the past 5 years or so I would say, but the past 2 years have been more extreme. I have noticed that during the summer months she will reject older rodents and then when I offer her fresh stuff she will often eat.
There is some recent footage of her in the 2nd half of this video:

