Year	SPI (scale 0-100)
2005	13.6125
2006	13.4125
2007	13.4125
2008	13.35625
2009	11.79375
2010	10.6375
2011	11.16875
2012	10.6125
2013	10.6125
2014	10.6125
2015	11.275
2016	11.16875
2017	11.875
2018	11.96875
2019	12.5375
2020	19.39375
2021	21.00625
2022	21.00625