Year annual % growth 1996 12.375632438789921 1997 4.83225843583503 1998 8.162479080230483 1999 6.083098095066191 2000 7.011843688210149 2001 20.390110810207474 2002 12.656348485244166 2003 23.192986143848813 2004 18.813364943622986 2005 10.491494595312105 2006 15.147715102147586 2007 17.274308276173684 2008 13.738309603368776 2009 20.65579384587413 2010 15.74624766794632 2011 8.763015487629346 2012 7.452764829968771 2013 9.310780111673523 2014 7.430614059568256 2015 3.5414701151231327 2016 7.2026757458981905 2017 6.289227578892763 2018 6.729353838631553 2019 3.9672784747935026 2020 4.29229583634887 2021 3.8600358047759187 2022 3.3667313362443707 2023 3.6073320014610317