If your talking commodities meaning all commodities then its closer to 19% according to the OECD.
http://www.oecd.org/document/54/0,2340,en_2649_34231_35009718_1_1_1_1,00.html
http://www.oecd.org/document/54/0,2340,en_2649_34231_35009718_1_1_1_1,00.html
Comment