What total percentage of the fatty acid residues in olive oil contain 18 carbons?

Based on the table "Fatty acid composition of some common edible fats and oils" from http://www.scientificpsychic.com/fitness/fattyacids1.html, 85% of the total fatty acid residues of olive oil are fatty acids containing 18 carbons in their structure.

These fatty acids are stearic acid (3%), which is saturated, oleic acid (71%), which is monounsaturated, and linoleic and alpha-linoleic acid (10% and 1%, respectively), which are polyunsaturated. 

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