Year	days
2009	123.02127659574468
2010	121.97872340425532
2011	120.59574468085107
2012	115.14583333333333
2013	108.7795918367347
2014	102.41224489795918
2015	96.74489795918367
2016	95.26530612244898
2017	91.63265306122449
2018	87.58
2019	85.67399999999999