Year	days
2005	199.73134328358208
2006	197.47058823529412
2007	197.41176470588235
2008	195.88235294117646
2009	191.71014492753622
2010	186.05797101449275
2011	183.1304347826087
2012	176.7605633802817
2013	171.67164383561644
2014	165.9182191780822
2015	163.84972602739728
2016	160.77819444444447
2017	156.20569444444448
2018	154.8675
2019	151.60708333333335