Year	SPI (scale 0-100)
2005	64.7625
2006	68.61875
2007	68.61875
2008	69.8625
2009	69.975
2010	66.3625
2011	64.04375
2012	73.7625
2013	74.25625
2014	75.84375
2015	72.99375
2016	74.60625
2017	68.68125
2018	67.975
2019	66.85625
2020	77.08125
2021	84.1375
2022	84.1375