Year	SPI (scale 0-100)
2005	57.9125
2006	58.40625
2007	62.9125
2008	63.4
2009	65.78125
2010	65.29375
2011	65.66875
2012	65.4625
2013	64.43125
2014	65.65625
2015	67.425
2016	69.63125
2017	67.20625
2018	67.75625
2019	67.3375
2020	75.1625
2021	87.0625
2022	87.0625