Year	SPI (scale 0-100)
2005	54.80625
2006	62.08125
2007	63.56875
2008	65.35
2009	66.525
2010	61.675
2011	58.61875
2012	60.5
2013	58.75
2014	58.08125
2015	59.5
2016	59.81875
2017	64.85
2018	61.05625
2019	60.98125
2020	68.49375
2021	82.54375
2022	82.54375