Year	annual %
1991	228.336781766382
1992	942.306569115402
1993	306.194445078925
1994	61.6352540095286
1995	38.0457423260524
1996	18.9905281611011
1997	11.4486891249753
1998	3.35143703021137
1999	-1.25689219624905
2000	1.29853834645186
2001	-0.32181060141184
2002	0.318656607612212
2003	-0.813494503489466
2004	2.68179721009696
2005	6.88510859135766
2006	6.73558515155621
2007	8.55458561870641
2008	9.70910857173813
2009	-3.29603877370516
2010	2.53348366045552
2011	5.34995229795771
2012	2.7342534936864
2013	1.28133222727745
2014	0.833592064248663
2015	0.0636827914669311
2016	1.57625277213522
2017	4.24343178964807
2018	3.52717427534756
2019	2.77156306285475
2020	1.89196476010981
2021	6.54727551776691
2022	16.5587321367351
2023	7.10652372309437