Year	days
2009	149.14285714285714
2010	146.8095238095238
2011	146.23809523809524
2012	137.95238095238096
2013	127.19090909090909
2014	122.91818181818181
2015	116.97727272727273
2016	114.86363636363636
2017	109
2018	105.0909090909091
2019	101.16818181818181