For ages 1-4, drowning is #1, motor vehicles are #2, and "unintentional suffocation" us #3.
For ages 5-9, motor vehicles are #1, drowning is #2, and burns are #3.
For ages 10-14, motor vehicles are #1, suicide by suffocation is #2, and suicide by firearm is #3.
The next age group is 15-24 and less than a third of that age group are children.
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