Percentage of each catergory every week
 

Week 1

Simon Cowell & The Boys 44.30%
Cheryl Cole & The Girls 31.54%
Dannii Minogue & The Over 25s 15.45%
Louis Walsh & The Groups 8.71%

Week 2

Simon Cowell & The Boys 39.92%
Cheryl Cole & The Girls 32.38%
Dannii Minogue & The Over 25s 16.19%
Louis Walsh & The Groups 11.51%

Week 3:

Cheryl Cole & The Girls 31.49%
Simon Cowell & The Boys 30.62%
Dannii Minogue & The Over 25s 27.08%
Louis Walsh & The Groups 10.81%

Week 4:

Cheryl Cole & The Girls 31.44%
Simon Cowell & The Boys 26.67%
Dannii Minouge & The Over 25s 24.89%
Louis Walsh & The Groups 17.00%

Week 5:

Dannii Minogue & The Over 25s 31.10%
Cheryl Cole & The Girls 28.25%
Simon Cowell & The Boys 27.39%
Louis Walsh & The Groups 7.53%

Week 6:

Cheryl Cole & The Girls 44.61%
Dannii Minogue & The Over 25s 25.92%
Simon Cowell & The Boys 19.56%
Louis Walsh & The Groups 9.91%

Week 7:

Cheryl Cole & The Girls 33.91%
Simon Cowell & The Boys 31.79%
Dannii Minogue & The Over 25s 22.55%
Louis Walsh & The Groups 11.75%

Week 8:

Cheryl Cole & The Girls 40.85%
Louis Walsh & The Groups 24.34%
Simon Cowell & The Boys 19.58%
Dannii Minogue & The Over 25s 15.23% (Eliminated)

From that point onwards it's a bit pointless really...