Shoulder Progression

I was so happy to see this WOD yesterday after the burpees/squats. The Workout:

Shoulder press 1-1-1-1-1 reps
Push press 3-3-3-3-3 reps
Push Jerk 5-5-5-5-5 reps

PR's: Shoulder Press: 150, Push Press: 180, Push Jerk: 165 (I think)

I don't have my log book right in front of me, but I am pretty sure these are the numbers. I will double check later. My shoulders have always been particularly weak and I think these numbers should be higher. I plan to work on my shoulder strength during skills days in the near future.