Year	SPI (scale 0-100)
2005	55.84375
2006	58.30625
2007	59.89375
2008	63.2875
2009	65.675
2010	67.24375
2011	70.49375
2012	70.8375
2013	67.4375
2014	66.23125
2015	64.48125
2016	67.9
2017	71.2
2018	69.6875
2019	68.0375
2020	77
2021	85.45625
2022	85.45625