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.
Somatic Symptoms. Headache is the most common symptom of a concussion, but you can also have increased sensitivity to light and noise, nausea, vomiting, fatigue, dizziness, numbness and tingling to the arms or legs, ringing in the ears, or changes in vision.These symptoms can occur immediately after the impact or even the next day.ifficulty concentrating is a common symptom of a concussion. You may feel like you are in a fog or dinged.. Some people say they feel drunk. Immediately after the injury, you may feel disorientated. You can be easily distracted. It is common to take time off school or work due to concussive symptoms.