Year	SPI (scale 0-100)
2005	6.5625
2006	6.5625
2007	6.5625
2008	6.50625
2009	6.50625
2010	7.54375
2011	7.9875
2012	10.04375
2013	10.04375
2014	9.875
2015	9.2875
2016	9.25625
2017	10.01875
2018	10.39375
2019	9.825
2020	16.46875
2021	19.69375
2022	19.69375