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