Photovoltaic cell manufacturing production from 1995-2013, Data source is <a rel="nofollow" class="external text" href="http://www.iea-pvps.org/fileadmin/dam/public/report/statistics/IEA_PVPS_Trends_2014_in_PV_Applications_-_lr.pdf">IEA-PVPS</a> pg.44 and <a rel="nofollow" class="external text" href="http://www.earth-policy.org/datacenter/xls/indicator12_2013_2.xlsx">Earth Policy Institute</a>
<a href="//commons.wikimedia.org/wiki/User:Delphi234" title="User:Delphi234">Delphi234</a>
2014-11-12
<span class="int-own-work" lang="en">Own work</span>