Year	SPI (scale 0-100)
2005	42.60625
2006	41.4625
2007	41.83125
2008	42.45625
2009	45.95625
2010	47.3875
2011	48.11875
2012	48.4125
2013	47.63125
2014	46.925
2015	42.575
2016	41.69375
2017	41.95625
2018	32.56875
2019	28.4
2020	35.825
2021	44.7875
2022	44.7875