Year	SPI (scale 0-100)
2005	48.05625
2006	50.2125
2007	50.1
2008	49.9625
2009	50.76875
2010	48.675
2011	45.7375
2012	52.86875
2013	54.45625
2014	53.8875
2015	51.9
2016	49.71875
2017	41.875
2018	40.75
2019	41.60625
2020	51.69375
2021	63.76875
2022	63.76875
