Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	30
2011	40
2012	40
2013	40
2014	40
2015	60
2016	60
2017	60
2018	60
2019	60
2020	60
2021	60
2022	60