Energy intensity - Chemical plants - Chemicals Energy Index: 2009: 92.0; 2010: 89.3; 2011: 90.8; 2012: 91.7; 2013: 89.8; 2014: 90.3; 2015: 91.6; 2016: 91.0;; 2017: 88.2; 2018: 88.5 (line chart)