Rust
#1 480
#2 140
#3 51
#4 39
#5 15
#6 10
#7 7
#8 7
#9 5
#10 5
#11 2
#12 2
#13 1
#14 1
#15 1
#16 1
#17 1
#18 1
#19 1
#20 1