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.
vomiting, seizure activity, loss of consciousness, unequal pupil size, confusion or slurred speech, immediate medical attention is necessary to rule out serious brain trauma. Outside of sports, any mechanism of trauma to the head and neck can result in concussion and should be evaluated if symptoms are present. Concussion injury does not appear on any routine brain scan such as CT or MRI, and there is no diagnostic test for concussions. A diagnosis of concussion is made based on a group of symptoms that can become immediately present or may arise over weeks to months after injury. Acute symptoms can be present for 1-2 weeks following the concussion, and the most common recommendation is to limit activities and rest the brain with the anticipation of natural recovery.