Firstly, I have no idea where those statistics came from, do you?
Secondly comparing the U.S. on anything gun related, to other western countries does not make sense.
% of homicides by firearm: Canada 32 United States 60
Number of homicides by firearm: Canada 173 United States 9146
Homicide by firearm rate per 100,000 pop: Canada 0.51 United States 2.97
Rank by rate of ownership Canada: 13 United States 1
Average firearms per 100 people: Canada 30.8 United States 88.8
Average total all civilian firearms: Canada 9950000 United States 270000000
Gun homicides and gun ownership listed by country | News | theguardian.com
The U.S. can keep their your gun laws.