Who Had More Hits--Abba or Steve Miller?

ABBA:

People Need Love
Ring, Ring
Waterloo
Honey, Honey
So Long
I Do, I Do, I Do, I Do, I Do
SOS
Mamma Mia
Fernando
Dancing Queen
Money, Money, Money
Knowing Me, Knowing You
The Name Of The Game
Take A Chance On Me
Eagle
Thank You For The Music
Summer Night City
Chiquitita
Does Your Mother Know?
Voulez-Vous
Gimme!  Gimme!  Gimme! (A Man After Midnight)
I Have A Dream
The Winner Takes It All
On And On And On
Super Trouper
Lay Your Love On Me
Head Over Heels
The Day Before You Came
Under Attack

Steve Miller: 

Living In The U.S.A.

Going To The Country

The Joker

Take The Money And Run

Rock 'N' Me

Fly Like An Eagle

Jet Airliner

Jungle Love

Swingtown

Heart Like A Wheel

Abracadabra

I Want To Make The World Turn Around

O.K., so adding them up we have;

ABBA:  29

Steve Miller:  12

A bit lopsided (I'll try to make the next one closer!)