Year	SPI (scale 0-100)
2005	62.60625
2006	63.55625
2007	63.55625
2008	64.025
2009	64.94375
2010	61.34375
2011	59.41875
2012	58.725
2013	58.5
2014	56.2125
2015	53.43125
2016	55.55
2017	55.85625
2018	53.775
2019	52.075
2020	52.48125
2021	62.25
2022	62.25