Year	SPI (scale 0-100)
2005	65.50625
2006	67.025
2007	69.13125
2008	70.3375
2009	70.0125
2010	66.31875
2011	65.975
2012	67.9125
2013	68.2875
2014	70.775
2015	70.50625
2016	71.80625
2017	67.78125
2018	66.975
2019	60.4375
2020	72.09375
2021	81.05
2022	81.05