count the number of times the western open has been held at the cog hill golf and country club since 2007.
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col : year | player | country | score | to par | margin\nof victory | course | location | purse ($) | winner's\nshare ($) row 1 : 2014 |  |  |  |  |  | cherry hills country club | cherry hills village, colorado | 8,000,000 | 1,440,000 row 2 : 2013 | zach johnson | united states | 64-70-69-65=268 | –16 | 2 strokes | conway farms golf club | lake forest, illinois | 8,000,000 | 1,440,000 row 3 : 2012 | rory mcilroy | northern ireland | 64-68-69-67=268 | –20 | 2 strokes | crooked stick golf club | carmel, indiana | 8,000,000 | 1,440,000 row 4 : 2011 | justin rose | england | 63-68-69-71=271 | –13 | 2 strokes | cog hill golf & country club | lemont, illinois | 8,000,000 | 1,440,000 row 5 : 2010 | dustin johnson | united states | 68-70-68-69=275 | –9 | 1 stroke | cog hill golf & country club | lemont, illinois | 7,500,000 | 1,350,000 row 6 : 2009 | tiger woods (2) | united states | 68-67-62-68=265 | –19 | 8 strokes | cog hill golf & country club | lemont, illinois | 7,500,000 | 1,350,000 row 7 : 2008 | camilo villegas | colombia | 65-66-66-68=265 | –15 | 2 strokes | bellerive country club | town and country, missouri | 7,000,000 | 1,260,000 row 8 : 2007 | tiger woods | united states | 67-67-65-63=262 | –22 | 2 strokes | cog hill golf & country club | lemont, illinois | 7,000,000 | 1,260,000
count the number of times the western open has been held at the cog hill golf and country club since 2007.
Year Player Country Score To par Margin\nof victory Course Location Purse ($) Winner's\nshare ($)
2014 Cherry Hills Country Club Cherry Hills Village, Colorado 8,000,000 1,440,000
2013 Zach Johnson United States 64-70-69-65=268 –16 2 strokes Conway Farms Golf Club Lake Forest, Illinois 8,000,000 1,440,000
2012 Rory McIlroy Northern Ireland 64-68-69-67=268 –20 2 strokes Crooked Stick Golf Club Carmel, Indiana 8,000,000 1,440,000
2011 Justin Rose England 63-68-69-71=271 –13 2 strokes Cog Hill Golf & Country Club Lemont, Illinois 8,000,000 1,440,000
2010 Dustin Johnson United States 68-70-68-69=275 –9 1 stroke Cog Hill Golf & Country Club Lemont, Illinois 7,500,000 1,350,000
2009 Tiger Woods (2) United States 68-67-62-68=265 –19 8 strokes Cog Hill Golf & Country Club Lemont, Illinois 7,500,000 1,350,000
2008 Camilo Villegas Colombia 65-66-66-68=265 –15 2 strokes Bellerive Country Club Town and Country, Missouri 7,000,000 1,260,000
2007 Tiger Woods United States 67-67-65-63=262 –22 2 strokes Cog Hill Golf & Country Club Lemont, Illinois 7,000,000 1,260,000
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