Year	SPI (scale 0-100)
2005	20.44375
2006	19.84375
2007	19.84375
2008	19.7875
2009	20.56875
2010	19.9
2011	19.8625
2012	19.30625
2013	20
2014	20.275
2015	21.13125
2016	22.21875
2017	22.88125
2018	22.1875
2019	22.225
2020	28.49375
2021	35.38125
2022	35.38125