Year	SPI (scale 0-100)
2005	50.5875
2006	58.5625
2007	59.05
2008	58.70625
2009	60.09375
2010	56.40625
2011	53.45625
2012	58.20625
2013	57.95625
2014	59.20625
2015	59.25
2016	59.46875
2017	56.59375
2018	58.1
2019	58.1375
2020	65.01875
2021	77.45
2022	77.45