Year	SPI (scale 0-100)
2005	15.19375
2006	15.3875
2007	16.16875
2008	16.68125
2009	16.81875
2010	16.11875
2011	16.49375
2012	17.6125
2013	17.6125
2014	17.44375
2015	17.70625
2016	18.90625
2017	18.2125
2018	16.2125
2019	16.73125
2020	24.9875
2021	27.13125
2022	27.13125