Year	SPI (scale 0-100)
2005	53.45625
2006	54.25625
2007	54.50625
2008	54.78125
2009	56.10625
2010	56.7625
2011	57.1125
2012	58.625
2013	58.65
2014	59.78125
2015	64.8875
2016	69.3625
2017	74.64375
2018	75.49375
2019	75.5375
2020	73.19375
2021	82.8625
2022	82.8625