They refer to hourly wages for Denmark, Greece, Iceland, New Zealand, Portugal and Spain. They refer to 2013 for Sweden, 2012 for India and South Africa, and 2011 for Israel. Instead of 2010, data refer to 2011 for Brazil, Chile and Costa Rica. Instead of 2005 they refer to 2006 for Chile, Estonia, France, Italy, Latvia, Lithuania, Luxembourg, the Netherlands, Poland, Slovenia, Spain, Switzerland and Turkey, and 2007 for Colombia.