Year	SPI (scale 0-100)
2005	35.1125
2006	47.64375
2007	52.4375
2008	53.7875
2009	55.24375
2010	57.31875
2011	56.49375
2012	55.8625
2013	55.68125
2014	57.1375
2015	55.2625
2016	62.33125
2017	62.41875
2018	60.45
2019	59.26875
2020	64.23125
2021	64.54375
2022	64.54375
