Year	%
2000	20.439232259874
2001	14.5276556119215
2002	14.9329744356692
2003	11.7934618614307
2004	10.7372308611601
2005	9.72960582201421
2006	9.73688626796929
2007	8.81780651745429
2008	9.20404699400371
2009	9.69789200026488
2010	10.2770245780126
2011	10.6136133018033
2012	10.9337490886953
2013	11.5376090431261
2014	10.666361349263
2015	10.0775141088994
2016	10.8611634364823
2017	10.6759898126584
2018	10.4304601098
2019	10.5108363786232
2020	10.1870293872041
2021	9.97461686926734
2022	9.89092724347393