Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	40
2010	60
2011	60
2012	50
2013	50
2014	50
2015	60
2016	80
2017	80
2018	80
2019	66.6
2020	66.6
2021	66.6
2022	80