Objective-C
#1 24
#2 17
#3 15
#4 13
#5 10
#6 6
#7 5
#8 5
#9 4
#10 3
#11 2
#12 2
#13 1
#14 1
#15 1
#16 1
#17 1
#18 1
#19 1