Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	40
2011	40
2012	40
2013	40
2014	40
2015	20
2016	6.6
2017	6.6
2018	26.6
2019	26.6
2020	16.6
2021	36.6
2022	36.6