Captain's knock on World Cup 2011

I was just wondering about the Captain's contributions towards their respective teams. Check this out:-

1 .KC Sangakkara (SL) 6 match - 363 runs 

2.Andrew strauss (ENG)6 match -329 runs 

3.Afridi (pak) 6 match -21 wickets 

4.Grame smith (SA)6 match -155 Runs 

5.Dhoni (IND) 5 match -96 run ( not even 20 avg) 

6.Ponting (AUS)6 Match - 106 run( not even 20 avg)