Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	20
2011	40
2012	40
2013	40
2014	40
2015	60
2016	53.4
2017	53.4
2018	53.4
2019	53.4
2020	53.4
2021	53.4
2022	53.4