Year	SPI (scale 0-100)
2005	38.3875
2006	41.56875
2007	42.95625
2008	44.20625
2009	45.59375
2010	44.04375
2011	43.95
2012	44.73125
2013	44.61875
2014	43.26875
2015	41
2016	42.38125
2017	43.18125
2018	47
2019	46.63125
2020	60.8
2021	69.5625
2022	69.5625