Year	annual %
1985	5.069963947248368
1986	4.885133262754124
1987	-1.425792382933949
1988	-2.010201053050025
1989	14.1906366290998
1990	6.70457869081514
1991	4.296563641101542
1992	5.559857768175419
1993	5.912556554321185
1994	8.159018532718093
1995	7.031254324190044
1996	6.928323728332202
1997	6.872091271206955
1998	3.9676080919769845
1999	7.306376071381692
2000	5.798782328619595
2001	5.751412879831946
2002	5.918743683705642
2003	6.06700230344272
2004	6.3576954800823415
2005	7.107568368112666
2006	8.619266208328071
2007	7.596828800548778
2008	7.824902763370119
2009	7.501774912258526
2010	8.526905517397168
2011	8.038652680237249
2012	8.026098434612834
2013	8.026300226990173
2014	7.611963439793186
2015	7.270065843737854
2016	7.022836255011384
2017	6.892530872698899
2018	6.247960007558717
2019	5.457735092484796
2020	0.5030318290186813
2021	2.5283510048610225
2022	2.707426526431547
2023	3.745681401582317