Year	annual % change
1999	3.5
2001	-2.9246892929
2002	7.4400000572
2004	35.4000015259
2005	20.8011809703
2006	-2.2440704327
2007	34.99062446729927
2009	-19.9687927902
2010	9.967910119251577
2011	-14.3684307022993
2012	-4.4748450754671
2013	35.8313389524081
2014	4.12569134932708
2015	-12.3409493724338
2016	18.5516927195231
2017	5.29848873232088
2018	-6.54700868909301
2019	37.1405875599813
2020	-13.552369227956
2021	28.8264507492562
2022	5.52754936810549