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A measure of the company's productivity in relation to water usage as compared to other companies in their industry
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In the first step, each company's Water Productivity is calculated for 2012. Water Productivity is defined as Revenue ($US) / Total water use (m3). Each company_s Water Productivity is then percent-ranked against that of all Industry Group peers in the CKC research universe and multiplied by 0.75. In the second step, the change in each company_s Water Productivity from 2010-2012 is calculated and percent-ranked against that of all same-industry group peers within the CKC research universe. If the company_s percent-ranked 2012 Water Productivity is top quartile, their percent-ranked change in Water Productivity for 2010-2012 is multiplied by 1 and then by 0.25. If the company_s percent-ranked 2012 Water Productivity is second quartile, their percent-ranked change in Water Productivity for 2010-2012 is multiplied by 0.75 and then by 0.25. If the company_s percent-ranked 2012 WaterProductivity is third quartile, their percent-ranked change in Water Productivity for 2010-2012 is multiplied by 0.5 and then by 0.25. If the company_s percent-ranked 2012 Water Productivity is bottom quartile, their percent-ranked change in Water Productivity for 2010-2012 is multiplied by 0.25 and then by 0.25. In the third step, the values from the first and second steps are totaled.