Table:
text: 2004 in British music
Top 40 albums of 2004
Top 40 albums of 2004
Position_ Album_Title Artist Highest_Position Sales
14 A Grand Don`t Come for Free The Streets 1 869000
15 How To Dismantle An Atomic Bomb U2 1 855000
16 The Soul Sessions Joss Stone 4 775000
17 Franz Ferdinand Franz Ferdinand 3 770000
18 American Idiot Green Day 1 746364
19 Unwritten Natasha Bedingfield 1 680000
20 Patience George Michael 1 660000
21 Friday`s Child Will Young 1 640000
22 Ultimate Kylie Kylie Minogue 4 595000
23 Speakerboxxx / The Love Below Outkast 8 590000
24 Allow Us To Be Frank Westlife 3 585000
25 Greatest Hits: My Prerogative Britney Spears 2 585000
26 Elephunk The Black Eyed Peas 3 580000
27 Twentysomething Jamie Cullum 3 565000

Question: What is 2004 in UK music for average high position of album unwritten's top 40 albums of 2004?