Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Single/EP | Release date | Label | Format(s) | UK Singles Chart Position | Notes |
| --- | --- | --- | --- | --- | --- |
| "Hundredweight" | 19 February 2001 | Fierce Panda Records | CD, 7" | - | Accompanied by b-sides: "All I Ever Had", "U Make Me Want To Drink Bleach" |
| "Try Not to Think" | 11 March 2002 | Jive Records | CD, 7" | - | Accompanied by b-sides: "Everyone Knows", "She's Something Else" |
| "Bleach" | 20 May 2002 | Jive Records | CD, 7" | 67 | Accompanied by b-sides: "Lights Out", "People Who Don't Climb Ladders (Aren't Particularly Likely To Fall Off Ladders Now, Are They?" |
| "You & Me" | 9 September 2002 | Jive Records | 2xCD, 7" | 57 | Accompanied by b-sides: "Better Ways To Self Destruct", "Little Sensation", "Hopelessly Devoted To You", "Right Thing" |
| "Junkies" | 27 January 2003 | Jive Records | 2xCD, 7" | 40 | Accompanied by b-sides: "Me", "Junkies" (live acoustic), "Demons" (live acoustic), "People Who Don't Climb Ladders (Aren't Particularly Likely To Fall Off Ladders Now, Are They?"(live acoustic), "Enjoy The Silence" (Depeche Mode cover) |
| "2nd Amendment" | 6 October 2003 | Jive Records | 2xCD, 7" | 42 | Accompanied by b-sides: "Other Man", "A Lot Like...", "Young In Love", "Dave, Where Have You Gone?", "Where Happy Is" |
| "'Til the Day" | 19 January 2004 | Jive Records | 2xCD, 7" | 27 | Accompanied by b-sides "Straight To Video", "Heaven Knows You Will", "Luka", "California" |
| "How Did It Ever Come to This?" | 30 August 2004 | Zomba / BMG | 2xCD, 7" | 50 | Accompanied by b-sides: "Celebritykiller", "Young Hearts Run Free", "You Can't Tear Polaroids", "This Guy's In Love With You" |
Question:
which format was used the most according to this chart?
Answer:
2xCD, 7"