Year	SPI (scale 0-100)
2005	15.0875
2006	14.3375
2007	15.03125
2008	14.975
2009	14.975
2010	13.08125
2011	13.16875
2012	13.16875
2013	13.5
2014	13.5
2015	16.9375
2016	18.44375
2017	26.23125
2018	26.64375
2019	27.3875
2020	29.6125
2021	41.6125
2022	41.6125