Year	SPI (scale 0-100)
2005	42.38125
2006	50.85625
2007	54.575
2008	54.51875
2009	57.05
2010	54.025
2011	55.85625
2012	59.1875
2013	61.475
2014	60.64375
2015	59.18125
2016	59.9
2017	61.44375
2018	65.71875
2019	67.1125
2020	75.46875
2021	83.2125
2022	83.2125