NASD,Total,100.00%,59.64%,31.96%,8.40% NASD,UBSS,98.21%,99.86%,99.13%,83.04% NYSE,Total,100.00%,69.73%,22.07%,8.19% NYSE,UBSS,99.85%,100.00%,100.00%,98.16% AMEX,Total,100.00%,67.80%,25.38%,6.82% AMEX,UBSS,99.54%,100.00%,99.09%,96.62%