Objective-C
#1 507
#2 120
#3 81
#4 66
#5 28
#6 21
#7 18
#8 13
#9 8
#10 8
#11 5
#12 5
#13 3
#14 3
#15 3
#16 2
#17 2
#18 2
#19 1
#20 1
#21 1
#22 1
#23 1