Year	SPI (scale 0-100)
2004	30
2005	30
2006	30
2007	40
2008	40
2009	40
2010	60
2011	60
2012	60
2013	60
2014	60
2015	80
2016	100
2017	100
2018	100
2019	100
2020	100
2021	90
2022	90