Year	SPI (scale 0-100)
2005	19.83125
2006	19.03125
2007	19.03125
2008	18.975
2009	18.975
2010	18.85625
2011	18.59375
2012	18.15
2013	18.15
2014	17.925
2015	17.5375
2016	18.375
2017	19.18125
2018	18.45
2019	17.075
2020	21.31875
2021	28.53125
2022	28.53125