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