Year	SPI (scale 0-100)
2005	39.9625
2006	44.8625
2007	44.41875
2008	44.975
2009	46.29375
2010	45.1875
2011	43
2012	46.075
2013	45.26875
2014	44.7625
2015	45.425
2016	48.33125
2017	52.225
2018	49.95625
2019	50.125
2020	69.075
2021	78.7
2022	78.7