Year	SPI (scale 0-100)
2005	46.425
2006	51.05625
2007	53.1375
2008	52.96875
2009	53.66875
2010	52.23125
2011	53.0375
2012	55.1125
2013	54.79375
2014	54.44375
2015	55.1
2016	53.86875
2017	54.49375
2018	58.53125
2019	57.28125
2020	74.4375
2021	83.63125
2022	83.63125