All champions since 2010
By season
GlamorganGlamorgan
Leicestershire FoxesLeicestershire
Kent SpitfiresKent
GlamorganGlamorgan
SomersetSomerset
Hampshire RoyalsHampshire
Nottinghamshire OutlawsNotts
Warwickshire BearsWarwickshire
Gloucestershire GladiatorsGloucestershire
DurhamDurham
Nottinghamshire OutlawsNotts
2012
Hampshire RoyalsHampshire
2011
Surrey LionsSurrey
2010
Warwickshire BearsWarwickshire
Most successful
2
GlamorganGlamorgan
2024 2021
2024 2021
2
Hampshire RoyalsHampshire
2018 2012
2018 2012
2
Nottinghamshire OutlawsNotts
2017 2013
2017 2013
2
Warwickshire BearsWarwickshire
2016 2010
2016 2010
1
Leicestershire FoxesLeicestershire
2023
2023
1
Kent SpitfiresKent
2022
2022
1
SomersetSomerset
2019
2019
1
Gloucestershire GladiatorsGloucestershire
2015
2015
1
DurhamDurham
2014
2014
1
Surrey LionsSurrey
2011
2011