For quick context, here’s how many of CA’s Top 25 used to stay in CA:

2014: 15 of 25
2015: 16 of 25
2016: 15 of 25

2019: 5 of 25
2020: 1 of 25 (so far)

— Pick Six Previews (@PickSixPreviews) December 18, 2019