Year	SPI (scale 0-100)
2005	42.725
2006	43.5875
2007	46.15
2008	47.08125
2009	47.13125
2010	44.31875
2011	44.09375
2012	45.68125
2013	42.375
2014	45.5
2015	50.48125
2016	51.7875
2017	51.58125
2018	50.54375
2019	47.79375
2020	52.68125
2021	66.6125
2022	66.6125