Objective-C
#1 2 489
#2 187
#3 68
#4 49
#5 44
#6 32
#7 5
#8 4
#9 4
#10 3
#11 2
#12 2
#13 2
#14 1
#15 1
#16 1
#17 1
#18 1
#19 1
#20 1
#21 1