Year current US$ 2005 23743313.9900817 2006 25993301.223901 2007 25141959.5247458 2008 23064845.2796527 2009 23586551.1564815 2010 22214933.5466879 2011 22145271.4091364 2012 23236798.1981352 2013 24555434.9056674 2014 26081549.2956674 2015 27340028.91 2016 28340028.91 2017 30450053 2018 31450053 2019 32450053 2020 33450053 2021 34450053 2022 8350053 2023 30000000