Here are the singles' peaks to date
Mr Know it All (Release: 08/31/2011)
Australia #1 Current - 17th week
UK #4 Current - 12th week
Bulgaria #7 Current - 14th week
New Zealand #8 (14 weeks on chart)
World Chart #8 Current - 15th week
US #10 Current - 17th week
Canada #11 Current - 17th week
US Airplay #11 Current - 18th week
Ireland #14 (8 weeks on chart)
Germany #18 Current - 10th week
Switzerland #22 Current - 9th week
Austria #26 Current - 10th week
What Doesn't Kill You (Release 11/14/2011 & 01/16/2012)
Australia #21 Current:- 6th week
New Zealand #26 Current: - 5th week
Canada #64 Re-entry #74 - 2nd week
US #64 (2 weeks before single release)
UK #71 Debut #71 - 1st week
I'll Be Home For Christmas (Release: 12/02/2011)
US #93 (1 week)
Stronger Album
US: #2 Currently: #17 10 weeks on chart
Australia: #3 Currently: #20 11 weeks on chart
World: #4 Currently: #26 (re-entry) 7 weeks on chart
UK: #5 Currently: #59 11 weeks on chart
New Zealand: #6 Currently: #35 9 weeks on chart
Ireland #8 Currently: #71 (re-entry) 6 weeks on chart
Switzerland #12 (6 weeks on chart)
Germany #14 (2 Weeks on chart)
Netherlands #16 (6 weeks on chart)
Austria #20 (4 weeks on chart)
Sweden #39 (1 week on chart)
Spain #40 (2 weeks on chart)
Belgium #45 (1 week on chart)
Italy #68 (1 week on chart)
Mexico #85 (3 weeks on chart)
Sales US: 451,000
Sales Worldwide: 750,000+
Certifications:
US: Gold
AUS: Gold
CAN: Gold
UK: Should be certified Gold soon since it has sold over 100,000 copies