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.
Headaches are common in the first few days after a mild traumatic brain injury. If headaches are improving, you do not have to worry or seek urgent care. Headaches have several potential causes, and simply referring to all headaches after trauma as post traumatic headaches does not identify cause or treatment.ecause the symptoms after concussion are very similar to the symptoms that persist long after the injury, the distinction between concussion symptoms and PCS symptoms is often uncertain. The factors that extend symptoms-not just the injury severity-may need to be identified for proper treatment.