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.
Symptoms. The signs and symptoms of a concussion can be subtle and may not be immediately apparent. Symptoms can last for days, weeks or even longer. Common symptoms after a concussive traumatic brain injury are headache, loss of memory (amnesia) and confusion.The amnesia, which may or may not follow a loss of consciousness, usually involves the loss of memory of the event that caused the concussion.ymptoms. The signs and symptoms of a concussion can be subtle and may not be immediately apparent. Symptoms can last for days, weeks or even longer. Common symptoms after a concussive traumatic brain injury are headache, loss of memory (amnesia) and confusion.