All champions since 1987
By season
IrelandIREIrelandIRE
FransaFRA
GallerWAL
İngiltereENGGallerWALIrelandIREİngiltereENGİngiltereENGIrelandIREIrelandIREGallerWALGallerWAL2011
İngiltereENG2010
FransaFRA2009
IrelandIRE2008
GallerWAL2007
FransaFRA2006
FransaFRA2005
GallerWAL2004
FransaFRA2003
İngiltereENG2002
FransaFRA2001
İngiltereENG2000
İngiltereENG1999
ScotlandSCO1998
FransaFRA1997
FransaFRA1996
İngiltereENG1995
İngiltereENG1994
GallerWAL1993
FransaFRA1992
İngiltereENG1991
İngiltereENG1990
ScotlandSCO1989
FransaFRA1988
FransaFRA1987
FransaFRAMost successful
12
FransaFRA2022 2010 2007 2006 2004 2002 1998 1997 1993 1989 1988 1987
11
İngiltereENG2020 2017 2016 2011 2003 2001 2000 1996 1995 1992 1991
7
GallerWAL2021 2019 2013 2012 2008 2005 1994
6
IrelandIRE2024 2023 2018 2015 2014 2009
2
ScotlandSCO1999 1990