Year	SPI (scale 0-100)
2004	20
2005	30
2006	30
2007	30
2008	30
2009	30
2010	40
2011	30
2012	40
2013	40
2014	40
2015	70
2016	100
2017	100
2018	100
2019	100
2020	76.6
2021	66.6
2022	66.6