How many times did the score change in superbowl 43?

16 changes. (6-0; 7-0; 13-0; 14-0; 14-3; 20-3; 21-3; 21-9; 21-10; 21-16; 21-17; 27-17; 28-17; 28-23; 28-25; 31-25 )

i believe this to be accurate