SNFの視聴率の落ち方が半端ないんだけど・・・大丈夫か？

WEEK10 NE-DEN NBC 10.2 -20% 17.510M -22%
WEEK 9 PIT-DET NBC 8.0 -22% 13.862M -22%
WEEK 8 OAK-MIA NBC 8.55 -18% 14.360M -29%