Year	SPI (scale 0-100)
2005	16.9125
2006	16.9125
2007	16.9125
2008	16.85625
2009	25.70625
2010	24.13125
2011	24.09375
2012	23.5375
2013	23.5375
2014	23.425
2015	20.375
2016	14.84375
2017	15.50625
2018	16.36875
2019	16.025
2020	23.0125
2021	31.5875
2022	31.5875