Year	SPI (scale 0-100)
2005	21.2625
2006	20.95625
2007	20.73125
2008	21.35625
2009	21.35625
2010	20.16875
2011	19.7625
2012	19.31875
2013	19.31875
2014	19.29375
2015	21.475
2016	22.59375
2017	23.9875
2018	23.93125
2019	23.925
2020	29.41875
2021	37.725
2022	37.725