14 albums and 1 compilation a song. 
1967-The Unicorn
1973-Tales To Warm Your Mind
1974-Greatest Hits
1979-Tall Ships & Salty Dogs
1989-Hard Stuff
1989-Silver Anniversary
1993-Years May Come, Years May Go
1994-Celebrate! The First Thirty Years
1996-Gems
1999-Songs Of Christmas
1999-The Best Of
2000-Down By The Lagan Side
2000-Upon A Shamrock Shore
2002-Another Round
Several Blasts