b. On the days you smoke(d) a pipe, how many pipefuls of tobacco (did/do) you smoke?

19. About how many pipefuls of tobacco a day does -- usually smoke?

No. per day ____ (21)

If less than 1 per day:

96 [] 3 to 6 per week (21)
97 [] Less than 3 per week
99 [] DK (21)