NASD,Total,100.00%,73.16%,7.63%,19.21%
NASD,Principal,93.17%,99.82%,99.20%,65.48%
NYSE,Total,100.00%,81.81%,10.07%,8.12%
NYSE,Principal,94.29%,98.76%,97.69%,45.09%
AMEX,Total,100.00%,67.37%,4.36%,28.28%
AMEX,Principal,74.41%,98.34%,93.90%,14.38%
AMEX,ANDZ,19.77%,0.08%,0.00%,69.74%