Year	SPI (scale 0-100)
2005	59.425
2006	62.9375
2007	63.75625
2008	63.5875
2009	69.1375
2010	70.54375
2011	68.9125
2012	68.9125
2013	68.2
2014	68.0375
2015	66.0625
2016	65.8375
2017	67.4875
2018	66.475
2019	62.025
2020	71.80625
2021	81.45625
2022	81.45625