Year	SPI (scale 0-100)
2005	46.13125
2006	46.91875
2007	50.04375
2008	61.39375
2009	63.1375
2010	60.15625
2011	59.15625
2012	58.775
2013	64.96875
2014	65.80625
2015	71.3
2016	70.94375
2017	71.3375
2018	65.3
2019	65.4625
2020	69.45
2021	77.5875
2022	77.5875