Year	SPI (scale 0-100)
2005	61.79375
2006	61.76875
2007	66.8625
2008	69.575
2009	70.26875
2010	69.5875
2011	69.85
2012	69.4625
2013	68.43125
2014	67.54375
2015	66.79375
2016	73.55
2017	75.11875
2018	78.36875
2019	77.475
2020	84.78125
2021	89.65
2022	89.65