As of 2012, it was actually ~40% (half of 84%), but your point still stands: <a href="https:&#x2F;&#x2F;www.wto.org&#x2F;ENGLISH&#x2F;res_e&#x2F;reser_e&#x2F;ersd201210_e.pdf" rel="nofollow">https:&#x2F;&#x2F;www.wto.org&#x2F;ENGLISH&#x2F;res_e&#x2F;reser_e&#x2F;ersd201210_e.pdf</a>