|No.|Date|Tournament|Winning score|Margin of victory|Runner(s)-up|
|---|---|---|---|---|---|
|1|20 Jan 2008|Abu Dhabi Golf Championship|−15 (66-65-68-74=273)|4 strokes|Henrik Stenson, Lee Westwood|
|2|22 Jun 2008|BMW International Open|−15 (68-63-67-75=273)|Playoff|Anders Hansen|
|3|5 Jul 2009|Open de France ALSTOM|−13 (62-72-69-68=271)|Playoff|Lee Westwood|
|4|12 Jul 2009|Barclays Scottish Open|−15 (69-65-66-69=269)|2 strokes|Gonzalo Fernández-Castaño, Raphaël Jacquelin|
|5|24 Jan 2010|Abu Dhabi Golf Championship|−21 (67-67-67-66=267)|1 stroke|Ian Poulter|
|6|15 Aug 2010|PGA Championship|−11 (72-68-67-70=277)|Playoff|Bubba Watson|
|7|12 Sep 2010|KLM Open|−14 (67-67-66-66=266)|4 strokes|Christian Nilsson, Fabrizio Zanotti|
|8|10 Oct 2010|Alfred Dunhill Links Championship|−17 (68-69-68-66=271)|3 strokes|Danny Willett|
|9|23 Jan 2011|Abu Dhabi HSBC Golf Championship|−24 (67-65-66-66=264)|8 strokes|Rory McIlroy|
|10|6 Nov 2011|WGC-HSBC Champions|−20 (69-68-68-63=268)|3 strokes|Fredrik Jacobson|

Question: how many tournaments has he won by 3 or more strokes?
Answer: 5