Year	SPI (scale 0-100)
2005	38.39375
2006	38.69375
2007	38.69375
2008	39.95
2009	51.6875
2010	53.1375
2011	53.7625
2012	55.6375
2013	54.89375
2014	57.41875
2015	55.20625
2016	55.6625
2017	54.33125
2018	60.3
2019	58.51875
2020	66.6
2021	76.49375
2022	76.49375