NASD,Total,100.00%,13.88%,43.06%,43.06%
NASD,ARCA,48.40%,35.90%,55.37%,45.45%
NASD,UBSS,44.84%,51.28%,41.32%,46.28%
NYSE,Total,100.00%,17.88%,49.64%,32.48%
NYSE,UBSS,51.09%,42.86%,55.88%,48.31%
NYSE,ARCA,45.62%,48.98%,42.65%,48.31%
AMEX,Total,100.00%,7.03%,46.09%,46.88%
AMEX,UBSS,70.31%,100.00%,69.49%,66.67%
AMEX,ARCA,25.00%,0.00%,28.81%,25.00%