Year	%
1997	65.40884497959915
1998	77.61683799482367
1999	67.06091709417724
2000	48.50472819986255
2001	45.63781871032241
2002	48.340437445411474
2003	46.447398842504676
2004	43.779152716578494
2005	44.63516886386068
2006	41.2403264526711
2007	35.022515469521515
2008	35.36675779650367
2009	34.79200963262707
2010	29.11580552146547
2011	32.833459506810236
2012	26.58209053078691
2013	18.49884441664345
2014	22.403672441434995
2015	33.83234396610104
2016	40.69836144899621
2017	41.71380787202441
2018	33.10233424804239
2019	31.90307275084981
2020	21.197179687051566
2021	15.010884966141314
2022	28.39609282774045
2023	37.20750933168858