Year	SPI (scale 0-100)
2005	54.44375
2006	56.13125
2007	59.5
2008	60.1625
2009	60.1625
2010	57.88125
2011	58.81875
2012	54.96875
2013	57.84375
2014	60.375
2015	61
2016	65.875
2017	65.7
2018	63.075
2019	59.95625
2020	67.6125
2021	77.13125
2022	77.13125