Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	40
2009	40
2010	50
2011	50
2012	60
2013	60
2014	60
2015	80
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100