Here is a comparison of fast v spin in this T20WC.
Fast bowlers
New Zealand fast bowlers have done exceedingly well. So far, they have the best fast bowling unit, and if you look at these indices none are close to them. South Africa are second by distance.
Australia fast bowlers have been expensive and although they have picked 23 wickets in 6 matches, they lacked in consistency and accuracy throughout the match.
Below table is brief stats analysis of all these indices.
SPIN CONTRIBUTION
Spinners have picked 41.97% of total wickets in this World Cup. This probably is highest amount of contribution they ever had in a T20WC.
England spinners were the leading wicket-takers (24). They played 6 matches in which 9 times their spinners had PF and 3 were consecutive. They also had the best eco.rate (6.08) along with B/w(strike rate).
The finalist team Australia have done exceedingly well. They have the highest % L 5 (60%)and in 6 matches 8 times their spinners had PF and 3 were consecutive.
New Zealand the other finalist, so far had less impact from their spinners.
Below table is brief stats analysis of all these indices.