What is the cause of most gun-related deaths

Chart: Source: Embed

×

Please use the following HTML code to embed this chart:

<iframe src="//datawrapper.dwcdn.net/DagTW/1/" frameborder="0" allowtransparency="true" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen width="600" height="164"></iframe>