Suicide attempt fatality rate: 9%
Everest attempt fatality rate: 2%
Climber fatality from attempts through 2006:
Suicide estimate from NIH:
For some interesting discussion on Everest fatalities, try this one . "No shortcuts to the top" by Ed Viesturs and the well known "Into thin air" by Jon Krakauer are two good books on the subject, if you want to read more.
I guess I'm wrong. Thanks for the correction.