Year	SPI (scale 0-100)
2005	46.41875
2006	46.36875
2007	45.925
2008	45.50625
2009	46.20625
2010	45.49375
2011	45.73125
2012	47.875
2013	46.575
2014	47.00625
2015	59.78125
2016	67.96875
2017	75.55625
2018	75.4125
2019	74.1125
2020	74.93125
2021	87.15
2022	87.15