Objective-C
#1 10 906
#2 657
#3 239
#4 148
#5 37
#6 15
#7 14
#8 12
#9 5
#10 5
#11 5
#12 4
#13 4
#14 2
#15 1
#16 1
#17 1
#18 1
#19 1
#20 1