DEFINITION: Total number of all deaths for prisoners in state correctional facilities. NOTE: this statistic does not include District of Columbia. There were 9 prisoner deaths in 2001 for Washingotn DC. None of the deaths were suicide or homicide.
Your numbers for firearm death rate in Vermont are wrong. There were 6 murders in Vermont last year - the population of Vermont is about 600,000. You have listed the firearm death rate as 9.6. It is actually .96
And are you sure all those 6 murders were committed with a firearm?