$ perl test.pl | LC_ALL=C sort | uniq -c | sort -n | tail
      3 0.578372644755136
      3 0.587725272162442
      3 0.629117050685529
      3 0.665209931957569
      3 0.666012741533792
      3 0.715907985301874
      3 0.780440518879262
      3 0.789289520984441
      3 0.859969220981904
      3 0.975280763021946