Year	SPI (scale 0-100)
2005	46.96875
2006	46.6
2007	47.55625
2008	47.275
2009	46.275
2010	46.825
2011	47.50625
2012	50.43125
2013	49.825
2014	50.25625
2015	62.89375
2016	66.075
2017	70.15625
2018	70.825
2019	71.10625
2020	71.63125
2021	84.9625
2022	84.9625