Contribution Calculations. CPP contributions are based on an income range that changes annually, based on current average wage data for the country. The lower income floor is set at $3,500, while the upper amount changes annually. In 2013, this amount is $51,100.The rate for CPP contributions is 9.9 percent.ontribution Calculations. CPP contributions are based on an income range that changes annually, based on current average wage data for the country. The lower income floor is set at $3,500, while the upper amount changes annually. In 2013, this amount is $51,100. The rate for CPP contributions is 9.9 percent.
1 Symptoms can include confusion, disorientation, memory loss, headache, and brief loss of consciousness.  Moderate: person is lethargic; eyes open to stimulation. Loss of consciousness lasting 20 minutes to 6 hours. Some brain swelling or bleeding causing sleepiness, but still arousable.
You may have had a concussion if you have any of following symptoms after an impact to the head, neck, or body: 1  Blurry vision. 2  Memory loss â youâre unable to remember what happened before or after your head was injured. 3  Headache. 4  Feeling of pressure in the head.5  Dizziness or off-balance. 6  Nausea with or without vomiting.ou may have had a concussion if you have any of following symptoms after an impact to the head, neck, or body: 1  Blurry vision. 2  Memory loss â youâre unable to remember what happened before or after your head was injured. 3  Headache. 4  Feeling of pressure in the head. 5  Dizziness or off-balance.