In Katana Polling Division summary from 1989 to 2015, the Matches/Mean MAE total for Katana is 6/7 and for Gampaha Electoral District ( one of the 22 multi-member electoral districts of Sri Lanka) is 7/7.
Matches/Mean MAE 8/8 7/8 The winner of Katana has matched the final country result 6 out of 7 times. 2015 Gampaha Electoral District 2010 2004 2001 2000 1994 1989 Matches/Mean MAE 7/7 Gampaha electoral district is one of the 22 multi-member electoral districts of Sri Lanka created by the 1978 Constitution of Sri Lanka. 
