Year	SPI (scale 0-100)
2005	46.65625
2006	46.2
2007	50.29375
2008	52.5625
2009	52.9375
2010	50.36875
2011	52.46875
2012	51.375
2013	51.64375
2014	49.78125
2015	51.18125
2016	53.86875
2017	55.09375
2018	54.86875
2019	54.84375
2020	64.8375
2021	77.75625
2022	77.75625