9.9 Nielsen rating the 1978 Bullets-Sonics series garnered Nielson ratings for the NBA basketball viewership this page the NBA Finals 18 or 19 lowest Nielsen ratings in major sports finals history drop-off of 7.4 ratings points drop-off of 7.4 ratings points few people watched NBA Finals NBA Finals Nielsen ratings the ratings of NBA finals the lowest ratings in NBA history 9.9 Nielsen rating the Bullets-Sonics series garnered highest-rated Finals in NBA history more than doubling ratings few people watched basketball basketball record high Nielson ratings for the NBA basketball height of its popularity basketball 9.9 Nielsen rating the Bullets-Sonics series garnered NBA Finals ratings according to TV ratings basketball