Year % of commercial service imports 2011 38.84974969083708 2012 41.27329180109057 2013 40.43448071059936 2014 37.77286146082648 2015 37.44804844825455 2016 35.09636632026215 2017 34.29271130918647 2018 34.39691101709463 2019 34.937483307885074 2020 40.97585398350516 2021 36.61309377973393