Year	%
2001	5.3065394709017
2002	7.51475516484269
2003	5.982099809182336
2004	5.697945453234507
2005	6.18546509131562
2006	4.2989282947863
2007	4.302002047859915
2008	2.7893952781583877
2009	3.8625114696564795
2010	2.7614534555821275
2011	3.2806282582221966
2012	5.412068932507359
2013	4.3406128420963705
2014	2.8696969739375753
2015	2.6805348688677717
2016	3.675332942523942
2017	3.52588081069706
2018	3.972882981058471
2019	3.8242758835592103
2020	2.526578086433575
2021	2.61595886853843
2022	3.38897916850976
2023	4.119782583000017