Year	SPI (scale 0-100)
2005	45.3625
2006	44.36875
2007	45.76875
2008	46.11875
2009	47.6375
2010	47.7375
2011	48.13125
2012	49.35625
2013	48.86875
2014	49.66875
2015	60.3875
2016	63.225
2017	68.35625
2018	69.13125
2019	68.01875
2020	70.0125
2021	86.45625
2022	86.45625