On January 5, we ordered 56 boxes of E-7018 welding rods. On January 14, we ordered 72 boxes of E-6010 welding rods. On January 20 we ordered 34 boxes of E-6011 welding rods. The last order of the month was on January 25, when we ordered 22 boxes of E-6013 welding rods. How many boxes of welding rods did we order this month?