Year current US$ 2010 3172347000 2011 3124118000 2012 3110046000 2013 3135554000 2014 3142675000 2015 3237728000 2016 3368443000 2017 3512954000 2018 3524565000 2019 3576303000 2020 3288352000 2021 3428400000 2022 3693643000