Look up FBI Table 20 - those are the statistics. That will help you.
2011 - Table 20 - FBI — Table 20
There were 16 murders with rifles and 16 with shotguns - that is 32 if you can do basic addition, not 60. Even if you add in the 12 of unknown type, that is 44, not 60.
61 were with knives, and 8 with hands and feet. That's 69, not 150.
You might want to take basic math and reading again.
And here is 2010 - FBI — Table 20
Total murders - 527
With Rifle - 19
With Shotguns - 21
With knives - 64
Pretty consistent.