Year TDS, current US$ 2006 1635000.1 2007 1640636.9 2008 738776.5 2009 1069033.8 2010 777611.1 2011 261961.8 2012 3824062.3 2013 12905218.8 2014 19585014.9 2015 20403434.4 2016 21130279.7 2017 20943911 2018 16605785.1 2019 11886621.3 2020 9823909.6 2021 5480304.5 2022 12319957.7