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.
Sleep problems can consist of either excessive sleep or difficulty sleeping. Excessive fatigue can be a result. It is not necessary to wake people regularly throughout the night to check on them after a concussion, especially as cognitive and physical rest is the main treatment for concussions.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.