Carnegie
622
|
2012
443
|
2014
426
|
2013
412
|
Foreign Policy
407
|
2015
380
|
Forbes
378
|
2017
291
|
2016
247
|
2018
244
|
2011
237
|
Washington Post
232
|
2009
221
|
Appeared in the Calgary Herald
195
|
Appeared in the Financial Post
189
|
2008
184
|
Appeared in the Toronto Sun
182
|
2010
170
|
© Financial Times
169
|
2007
163
|