Year	SPI (scale 0-100)
2005	41.41875
2006	41.31875
2007	40.875
2008	40.45625
2009	40.84375
2010	42.6
2011	43.61875
2012	44.5125
2013	45.53125
2014	45.775
2015	49.825
2016	53.8875
2017	62.55
2018	63.94375
2019	61.28125
2020	64.95
2021	81.675
2022	81.675