A 3.75%B 8.96%C 6.38%D 5.65%E 2.03%F 3.63%G 5.34%H 5.59%I 0.76%J 1.36%K 5.70%L 5.24%M 8.28%N 2.13%O 1.63%P 5.27%Q 0.26%R 4.80%S 10.93%T 3.88%U 0.47%V 2.55%W 3.46%X 0.02%Y 0.65%Z 1.29%per the US 2000 Census table of all valid last names appearingthe 100 or more times (covering 90% of responses).