Year annual % growth 2012 8.263252557387688 2013 5.764232168538371 2014 8.037409181580998 2015 6.194021365126218 2016 6.817268911708524 2017 6.181782779591515 2018 7.176581744293614 2019 7.224485728004254 2020 1.7489855265272496 2021 3.9600097831743852