Points are determined based on the number of teams in each tournament. Teams who place in the top standings receive points that go towards the overall standings for the given year. The point break down can be seen below.
12 Team

1st place: 12 points
2nd place: 8 points
3rd place: 6 points
4th place: 4 points
5th place: 2 points

11 Team

1st place: 11 points
2nd place: 7 points
3rd place: 5 points
4th place: 3 points

10 Team

1st place: 10 points
2nd place: 6 points
3rd place: 4 points
4th place: 2 points

9 Team

1st place: 9 points
2nd place: 5 points
3rd place: 3 points

8 Team

1st place: 8 points
2nd place: 4 points
3rd place: 2 points

7 Team

1st place: 8 points
2nd place: 4 points
3rd place: 2 points

6 Team

1st place: 8 points
2nd place: 4 points
3rd place: 2 points

5 Team

1st place: 5 points
2nd place: 3 points
3rd place: 1 points