Year	days
2003	637.2790697674419
2004	665.3333333333334
2005	678.7358490566038
2006	689.6851851851852
2007	685.5185185185185
2008	690.2037037037037
2009	679.1272727272727
2010	679.1090909090909
2011	677.7272727272727
2012	677.7017543859649
2013	691.7068965517242
2014	688.4310344827586
2015	684.8135593220339
2016	685.8474576271186
2017	682.7966101694915
2018	681.9491525423729
2019	676.7796610169491