Year	annual % growth
1997	5.019839945547972
1998	-8.574842955782202
1999	-10.131373914731839
2000	11.207627488945505
2001	13.74037297487088
2002	14.882344229785389
2003	13.209582747631117
2004	9.911567239677737
2005	8.353509369777782
2006	4.036448788628121
2007	2.1510125913858644
2008	6.846269146166534
2009	-7.966014594549989
2010	17.716099889468182
2011	8.829881403845647
2012	3.942155474041087
2013	7.958576444629273
2014	5.676640698663249
2015	-7.901627421136951
2016	11.24630523310499
2017	8.030259236278894
2018	4.319324992751632
2019	6.254561687567573
2020	-6.473154020033064
2021	10.251507283815101