Year	annual %
1977	2.5845208158703548
1978	26.555903581642383
1979	3.235768858280426
1980	12.778177345549684
1981	8.887574402011165
1982	6.159813940854921
1983	18.461809081387074
1984	4.3676050729284075
1985	8.47312940567807
1986	18.69887677962464
1987	21.373608711375418
1988	4.32940202772605
1989	13.944992701656405
1990	15.15165228409609
1991	10.09719010263154
1992	12.973508770002965
1993	3.274556745129969
1994	8.379969782405077
1995	18.19332676113835
1996	7.581511305117846
1997	11.539197169292562
1998	5.883802930112425
1999	15.767106867039052
2000	12.418110441769576
2001	10.202512546622772
2002	2.937078447780455
2003	4.930646560927403
2004	13.153104885078928
2005	6.573512755937469
2006	16.475082905103687
2007	15.371103923701025
2008	13.278881965950132
2009	6.434155700035948
2010	-0.11440192453056508
2011	5.280858502889956
2012	11.008878608192006
2013	1.3529528101574604
2014	7.893315256855193
2015	7.56150114783352
2016	2.649079163321778
2017	-0.36848704266854787
2018	2.6518938827506497
2019	4.641267781768536
2020	11.922631514043264
2021	12.391495706702303
2022	3.4810235707364723
2023	8.214450835175585