AX18 May 2006 total XBTs good XBTs bad XBTs quest XBTs drops obsdays 174 163 6 5 174.0 9.0 93.7% 3.4% 2.9%

Cumulative since Jul 2002 total XBTs good XBTs bad XBTs quest XBTs avg drops avg obsdays 2531 2265 132 134 180.8 9.9 89.5% 5.2% 5.3%

AX18 Since Oct 1, 2005 a total XBTs deployed = 527 ----> 6.588 % of 8000 per/year