Year	SPI (scale 0-100)
2005	36.21875
2006	39.8
2007	39.8
2008	39.6875
2009	40.73125
2010	41.5125
2011	40.025
2012	41.275
2013	40.49375
2014	44.05
2015	41.99375
2016	43.4625
2017	50.975
2018	50.075
2019	41.9875
2020	59.63125
2021	71.6625
2022	71.6625