Year	SPI (scale 0-100)
2005	48.39375
2006	48.6875
2007	52.69375
2008	52.4125
2009	50.71875
2010	46.76875
2011	45.78125
2012	48.93125
2013	48.84375
2014	52.43125
2015	54.71875
2016	56.66875
2017	53.20625
2018	50.25625
2019	44.325
2020	64.56875
2021	67.5
2022	67.5