Year	SPI (scale 0-100)
2005	16.6625
2006	18.73125
2007	19.11875
2008	19.0625
2009	22.1875
2010	25.41875
2011	37.2125
2012	39.66875
2013	38.4
2014	37.04375
2015	34.94375
2016	44.075
2017	45.1625
2018	45.9875
2019	45.7875
2020	53.88125
2021	53.91875
2022	53.91875