Year	SPI (scale 0-100)
2005	66.975
2006	70.25
2007	71.08125
2008	74.6875
2009	74.0625
2010	71.78125
2011	70.1875
2012	74.63125
2013	75.3
2014	75.425
2015	80.21875
2016	82.3125
2017	90.9375
2018	90.625
2019	89.31875
2020	87.34375
2021	92.9625
2022	92.9625