1/15/2008
10.Simple Plan - When I'm Gone (31st Day/RETURN/Peak:01[4])
09.Rihanna f/ Ne-Yo - Hate That I Love You (22nd Day/+1/Peak:05)
08.Spice Girls - Headlines (33rd Day/-1/Peak:03)
07.Jordin Sparks - Tattoo (36th Day/+1/Peak:01[1])
06.Fergie - Clumsy (36th Day/=/Peak:01[4])
05.Ashlee Simpson - Outta My Head (Ay Ya Ya) (30th Day/-1/Peak:01[2])
04.Shayne Ward - Breathless (18th Day/+1/Peak:02)
03.Janet Jackson - Feedback (4th Day/-1/Peak:02)
02.Christina Aguilera - Save Me From Myself (2nd Day/+1/Peak:02)
01.Britney Spears - Piece Of Me (31st Day/=/Peak:01[23])
1/16/2008
10.Kelly Rowland - Work (1st Day/DEBUT/Peak:10)
09.Keyshia Cole - I Remember (1st Day/DEBUT/Peak:10)
08.Simple Plan - When I'm Gone (32nd Day/+2/Peak:01[4])
07.Jordin Sparks - Tattoo (37th Day/=/Peak:01[1])
06.Fergie - Clumsy (37th Day/=/Peak:01[4])
05.Shayne Ward - Breathless (19th Day/-1/Peak:02)
04.Janet Jackson - Feedback (5th Day/-1/Peak:02)
03.Ashlee Simpson - Outta My Head (Ay Ya Ya) (31st Day/+2/Peak:01[2])
02.Britney Spears - Piece Of Me (32nd Day/-1/Peak:01[23])
01.Christina Aguilera - Save Me From Myself (3rd Day/+1/Peak:01[1])
1/17/2008
10.Kelly Rowland - Work (1st Day/DEBUT/Peak:10)
09.Keyshia Cole - I Remember (1st Day/DEBUT/Peak:09)
08.Simple Plan - When I'm Gone (32nd Day/=/Peak:01[4])
07.Fergie - Clumsy (38th Day/-1/Peak:01[4])
06.Shayne Ward - Breathless (20th Day/-1/Peak:02)
05.Jordin Sparks - Tattoo (38th Day/+2/Peak:01[1])
04.Janet Jackson - Feedback (6th Day/=/Peak:02)
03.Britney Spears - Piece Of Me (33rd Day/-1/Peak:01[23])
02.Ashlee Simpson - Outta My Head (Ay Ya Ya) (32nd Day/+1/Peak:01[2])
01.Christina Aguilera - Save Me From Myself (4th Day/=/Peak:01[2])
1/18/2008
10.Ciara - That's Right (7th Day/RETURN/Peak:08)
09.Simple Plan - When I'm Gone (33rd Day/-1/Peak:01[4])
08.Jordin Sparks - Tattoo (39th Day/-3/Peak:01[1])
07.Fergie - Clumsy (39th Day/=/Peak:01[4])
06.Shayne Ward - Breathless (21st Day/=/Peak:02)
05.Keyshia Cole - I Remember (2nd Day/+4/Peak:05)
04.Janet Jackson - Feedback (7th Day/=/Peak:02)
03.Britney Spears - Piece Of Me (34th Day/=/Peak:01[23])
02.Christina Aguilera - Save Me From Myself (5th Day/-1/Peak:01[2])
01.Ashlee Simpson - Outta My Head (Ay Ya Ya) (33rd Day/+1/Peak:01[3])
1/19/2008
10.Simple Plan - When I'm Gone (34th Day/-1/Peak:01[4])
09.Jordin Sparks - Tattoo (40th Day/-1/Peak:01[1])
08.Fergie - Clumsy (40th Day/-1/Peak:01[4])
07.Ciara - That's Right (8th Day/+3/Peak:07)
06.Shayne Ward - Breathless (22nd Day/=/Peak:02)
05.Britney Spears - Piece Of Me (35th Day/-2/Peak:01[23])
04.Janet Jackson - Feedback (8th Day/=/Peak:02)
03.Keyshia Cole - I Remember (3rd Day/+2/Peak:03)
02.Christina Aguilera - Save Me From Myself (6th Day/=/Peak:01[2])
01.Ashlee Simpson - Outta My Head (Ay Ya Ya) (34th Day/=/Peak:01[4])
1/20/2008
10.Timbaland ft. Keri Hilson & Nicole Scherzinger - Scream (1st Day/DEBUT/Peak:10)
09.Ciara - That's Right (9th Day/-2/Peak:07)
08.Fergie - Clumsy (41st Day/=/Peak:01[4])
07.Jordin Sparks - Tattoo (41st Day/+2/Peak:01[1])
06.Britney Spears - Piece Of Me (36th Day/-1/Peak:01[23])
05.Shayne Ward - Breathless (23rd Day/+1/Peak:02)
04.Janet Jackson - Feedback (9th Day/=/Peak:02)
03.Ashlee Simpson - Outta My Head (Ay Ya Ya) (35th Day/-2/Peak:01[4])
02.Keyshia Cole - I Remember (4th Day/+1/Peak:02)
01.Christina Aguilera - Save Me From Myself (7th Day/+1/Peak:01[3])
1/21/2008
10.Simple Plan - When I'm Gone (35th Day/RETURN/Peak:01[4])
09.Timbaland ft. Keri Hilson & Nicole Scherzinger - Scream (2nd Day/+1/Peak:09)
08.Shayne Ward - Breathless (24th Day/-3/Peak:02)
07.Jordin Sparks - Tattoo (42nd Day/=/Peak:01[1])
06.Fergie - Clumsy (42nd Day/+2/Peak:01[4])
05.Britney Spears - Piece Of Me (37th Day/+1/Peak:01[23])
04.Janet Jackson - Feedback (9th Day/=/Peak:02)
03.Ashlee Simpson - Outta My Head (Ay Ya Ya) (35th Day/-2/Peak:01[4])
02.Keyshia Cole - I Remember (5th Day/+1/Peak:02)
01.Christina Aguilera - Save Me From Myself (8th Day/+1/Peak:01[3])
Mateus' Personal Countdown | January 22nd - Tuesday
Tuesday | January 22nd, 2008
15. Colbie Caillat - Realize
14. Rihanna - Hate That I Love You
13. Kelly Rowland - Work
12. Ciara - That's Right
11. Natasha Bedingfield - Love Like This
Simple Plan - When I'm Gone (36th Day/=/Peak:01[4]) Shayne Ward - Breathless (25th Day/-1/Peak:02) Jordin Sparks - Tattoo (43rd Day/-1/Peak:01[1]) Fergie - Clumsy (43rd Day/-1/Peak:01[4]) Timbaland ft. Keri Hilson & Nicole Scherzinger - Scream (3rd Day/+3/Peak:06) Britney Spears - Piece Of Me (38th Day/=/Peak:01[23]) Ashlee Simpson - Outta My Head (35th Day/-1/Peak:01[4]) Christina Aguilera - Save Me From Myself (9th Day/-2/Peak:01[3]) Janet Jackson - Feedback (10th Day/+2/Peak:02) Keyshia Cole - I Remember (6th Day/+1/Peak:01[1])
Flashback
Kelly Clarkson - Behind These Hazel Eyes
Simple Plan - When I'm Gone (36th Day/=/Peak:01[4]) 
Shayne Ward - Breathless (25th Day/-1/Peak:02) 
Jordin Sparks - Tattoo (43rd Day/-1/Peak:01[1]) 
Fergie - Clumsy (43rd Day/-1/Peak:01[4])
Timbaland ft. Keri Hilson & Nicole Scherzinger - Scream (3rd Day/+3/Peak:06)
Britney Spears - Piece Of Me (38th Day/=/Peak:01[23])
Ashlee Simpson - Outta My Head (35th Day/-1/Peak:01[4])
Christina Aguilera - Save Me From Myself (9th Day/-2/Peak:01[3])
Janet Jackson - Feedback (10th Day/+2/Peak:02)
Keyshia Cole - I Remember (6th Day/+1/Peak:01[1])
