Ok, here's the naughty list - we should be safe from adding to it this year. Probably.
BWI:
.2 - 2022/23
.7 - '49/'50
1.2 - '72/'73
1.8 - 2011/12
1.8 - 2019/20
DCA
.1 - '97/'98
.1 - '72/'73
.4 - 2022/23
.6 - 2019/20
2.0 - 2011/12
Dulles:
.4 - 2022/23
2.2 - '72/'73
2.6 - 2001/02
2.9 - 2019/20
3.7 - 2011/12