Year	SPI (scale 0-100)
2005	41.54375
2006	40.75
2007	41.44375
2008	43.34375
2009	44.0375
2010	44.6625
2011	45.1
2012	47.7625
2013	49.70625
2014	50.7625
2015	59.125
2016	63.11875
2017	70.8
2018	70.55625
2019	69.95
2020	72.29375
2021	85.275
2022	85.275