Table 1: Survey Snapshot of Total Procedures and Percentages Performed Annually by Membership of Surveyed Organizations, ISASS and SMISS

  2009 2010 2011 2012*
Total Procedures 251 378 619 1012
Open Total 152 191 202 123
Open % 60.56% 50.53% 32.63% 12.15%
MIS Total 99 187 417 889
MIS % 39.44% 49.47% 67.37% 87.85%

* Through November 11, 2012.