Year	annual %
1991	2.5070611424460054
1992	0.41290771999527465
1993	1.4780789287063953
1994	1.9133028908970147
1995	4.261223599891224
1996	5.732568090585687
1997	3.0339396455295997
1998	4.2895968352536045
1999	4.428275240816703
2000	4.946317197932885
2001	4.545164363309453
2002	8.943497323361655
2003	6.104298047789229
2004	7.463708200252796
2005	6.85501616487511
2006	8.401433261965934
2007	5.514781309166267
2008	5.862977818417889
2009	5.3994508714213225
2010	5.389665356264771
2011	7.626731279718598
2012	4.978095135169511
2013	6.650026413979532
2014	7.208362538975678
2015	5.614609467696781
2016	6.4014179018542166
2017	6.973473793673463
2018	6.1889736318153155
2019	5.280762140628397
2020	1.6173350207447754
2021	4.568474099212125
2022	4.548143376410408