Year	annual % growth
1981	3.8649236618941245
1982	6.383621096231252
1983	4.821029477203311
1984	4.1102612679521116
1985	2.2803738306640895
1986	1.8672133276200498
1987	1.6379888582880966
1988	2.687520148348298
1989	-3.1806767934084093
1990	5.09139187719812
1991	-5.395598881594665
1992	8.530923416292694
1993	3.005937446593137
1994	-5.2766820243875685
1995	3.61012947763588
1996	-1.2916684415430666
1997	4.030334487655949
1998	1.2826685024924842
1999	1.9241236485475497
2000	10.848081521351332
2001	2.332927783365207
2002	2.3247854361669056
2003	2.104103497907687
2004	1.919601607727401
2005	2.8374005882263305
2006	2.6469037062300913
2007	0.057764370536460774
2008	4.568491398605872
2009	4.347841924608801
2010	1.9428331553539095
2011	4.640540118058695
2012	4.265766225323063
2013	3.3991651846366153
2014	1.4743469532181308
2015	0.7055539304892164
2016	3.224256741346565
2017	4.198139090607356
2018	2.4117824210159142
2019	3.7781734681195047
2020	3.9104660994573948
2021	0.9094767655140572
2022	0.20444864312203492
2023	2.2326586585111414
