Score by team per season

The bar chart shows the points of three teams over four consecutive seasons.
The scores of team B far exceeded that of the other two teams throughout the years, starting with its peak at 82pt in 2002. Over the next two years, the points of team B declined significantly and reached a rock bottom at 43pt in 2004. In 2005, these scores recovered and rise slightly by 55pt.
In a sharp contrast to team B, team A started at 5pt in 2002, which was sixteen times lower than team B. Its scores increased continuously by 35pt in 2004. However, team A lost the capability to maintain its high points, showing by the scores of 8pt in 2005.
Team C also appeared to be inconsistencies in its performance over the years. its scores fluctuated around 12pt until plunged to the bottom at 5pt in 2005