Year	SPI (scale 0-100)
2005	41.71875
2006	42.55625
2007	43.1125
2008	42.94375
2009	43.80625
2010	39.4875
2011	38.6125
2012	48.55625
2013	48.13125
2014	46.4375
2015	45.23125
2016	47.79375
2017	42.425
2018	40.84375
2019	41.55625
2020	50.54375
2021	66.08125
2022	66.08125