Year	SPI (scale 0-100)
2005	56.11875
2006	59.71875
2007	61.6625
2008	61.4375
2009	62.13125
2010	63.425
2011	64.88125
2012	66.2625
2013	66.70625
2014	67.625
2015	55.1875
2016	56.625
2017	57.225
2018	58.4
2019	55.06875
2020	60.86875
2021	77.25
2022	77.25