Year	SPI (scale 0-100)
2005	54.99375
2006	55.31875
2007	55.31875
2008	55.18125
2009	58.7
2010	56.50625
2011	54.89375
2012	56.76875
2013	44.53125
2014	42.4625
2015	43.4125
2016	48.9625
2017	64.55
2018	64.675
2019	65.4875
2020	75.84375
2021	82.51875
2022	82.51875