Year annual % growth 2012 3.213083533776654 2013 -2.3234623421279252 2014 6.498887643751189 2015 4.6687731461358055 2016 21.4402457800348 2017 13.783718135889458 2018 -28.58726246628514 2019 1.818988424564978 2020 0.14930976149717878 2021 -1.0371100708907761