[Bob, Jane, Kevin, Alice, Bob, Alice, Jane, Bob, Fred]

Bob - 3 times
Jane, Alice - 2 times
Kevin, Fred - 1 times

Column 1 - 2 people who appear 1 time
Column 2 - 2 people who appear 2 times
Column 3 - 1 person who appears 3 times

Column 1 - 1 person who appears 1 time
Column 2 - 0 people who appear 2 times
Column 3 - 0 people who appear 3 times

Column 1 - 4 people who appears 1 time
Column 2 - 0 people who appear 2 times
Column 3 - 0 people who appear 3 times

Column 1 - 3 people who appears 1 time (Jane, Alice and Kevin)
Column 2 - 1 person who appear 2 times (Bob)
Column 3 - 0 people who appear 3 times