[["year", "north america ( 1 ) ( 2 )", "europe ( 1 ) ( 3 )", "asia/pacific ( 1 ) ( 4 )"], ["2012", "3.33% ( 3.33 % )", "1.21% ( 1.21 % )", "0.04% ( 0.04 % )"], ["2013", "3.32% ( 3.32 % )", "1.24% ( 1.24 % )", "0.05% ( 0.05 % )"], ["2014", "3.46% ( 3.46 % )", "1.23% ( 1.23 % )", "0.06% ( 0.06 % )"], ["2015", "3.36% ( 3.36 % )", "1.25% ( 1.25 % )", "0.08% ( 0.08 % )"], ["2016", "3.49% ( 3.49 % )", "1.24% ( 1.24 % )", "0.09% ( 0.09 % )"]]