The interesting thing to me in the article is the inclusion of suicides.
Although not statistically significant, another consideration too often overlooked is that a SAR might be a crime scene. In the early days, we didn't even consider that -- distraught family, moderate chaos, trying to get or find person as quickly as possible. Maybe the last 15 years, NPS looks at that possibility a lot more carefully. After investigation, there's been a few (Yosemite and Sequoia Kings) that have, in fact, been crimes. Where a fall was actually a push... .
g.