Year	SPI (scale 0-100)
2005	61.69375
2006	60.75
2007	61.1125
2008	63.44375
2009	62.8
2010	60.95
2011	64.9875
2012	64.9875
2013	64.28125
2014	63.64375
2015	59.23125
2016	62.41875
2017	58.8375
2018	56.26875
2019	52.88125
2020	60.475
2021	77.7625
2022	77.7625