selling , general and administrative expenses increased $ 286.7 million to $ 1158.3 million in 2014 from $ 871.6 million in 2013 . as a percentage of net revenues , selling , general and administrative expenses increased to 37.5% ( 37.5 % ) in 2014 from 37.3% ( 37.3 % ) in 2013 . these changes were primarily attributable to the following : 2022 marketing costs increased $ 86.5 million to $ 333.0 million in 2014 from $ 246.5 million in 2013 primarily due to increased global sponsorship of professional teams and athletes . as a percentage of net revenues , marketing costs increased to 10.8% ( 10.8 % ) in 2014 from 10.5% ( 10.5 % ) . 2022 other costs increased increased $ 200.2 million to $ 825.3 million in 2014 from $ 625.1 million in 2013 . this increase was primarily due to higher personnel and other costs incurred for the continued expansion of our direct to consumer distribution channel , including increased investment for our brand house stores . this increase was also due to additional investment in our connected fitness business . as a percentage of net revenues , other costs were unchanged at 26.8% ( 26.8 % ) in 2014 and 2013 . income from operations increased $ 88.9 million , or 33.5% ( 33.5 % ) , to $ 354.0 million in 2014 from $ 265.1 million in 2013 . income from operations as a percentage of net revenues increased to 11.5% ( 11.5 % ) in 2014 from 11.4% ( 11.4 % ) in 2013 . interest expense , net increased $ 2.4 million to $ 5.3 million in 2014 from $ 2.9 million in 2013 . this increase was primarily due to the $ 150.0 million and $ 100.0 million term loans borrowed during 2014 . other expense , net increased $ 5.2 million to $ 6.4 million in 2014 from $ 1.2 million in 2013 . this increase was due to higher net losses in 2014 on the combined foreign currency exchange rate changes on transactions denominated in foreign currencies and our foreign currency derivative financial instruments as compared to 2013 . provision for income taxes increased $ 35.5 million to $ 134.2 million in 2014 from $ 98.7 million in 2013 . our effective tax rate was 39.2% ( 39.2 % ) in 2014 compared to 37.8% ( 37.8 % ) in 2013 . our effective tax rate for 2014 was higher than the effective tax rate for 2013 primarily due to increased foreign investments driving a lower proportion of foreign taxable income in 2014 and state tax credits received in 2013 . segment results of operations the net revenues and operating income ( loss ) associated with our segments are summarized in the following tables . the majority of corporate expenses within north america have not been allocated to international or connected fitness ; however , certain costs and revenues included within north america in the prior period have been allocated to connected fitness in the current period . prior period segment data has been recast by an immaterial amount within the tables to conform to the current period presentation . year ended december 31 , 2015 compared to year ended december 31 , 2014 net revenues by segment are summarized below: .
in 2015 what was the percent of the growth in net revenues in international from 2014
net revenues in our north america operating segment increased $ 659.3 million to $ 3455.7 million in 2015 from $ 2796.4 million in 2014 primarily due to the items discussed above in the consolidated results of operations . net revenues in international increased $ 185.4 million to $ 454.2 million in 2015 from $ 268.8 million in 2014 primarily due to unit sales growth in our emea and asia-pacific operating segments . net revenues in our connected fitness operating segment increased $ 34.2 million to $ 53.4 million in 2015 from $ 19.2 million in 2014 primarily due to revenues generated from our two connected fitness acquisitions in 2015 and growth in our existing connected fitness business. .