Year	SPI (scale 0-100)
2005	60.90625
2006	63.83125
2007	68.4
2008	68.93125
2009	68.93125
2010	67.39375
2011	69.475
2012	69.09375
2013	67.30625
2014	65.91875
2015	68.225
2016	71.0375
2017	70.81875
2018	69.0125
2019	70.45625
2020	77.5875
2021	78.01875
2022	78.01875