Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	30
2008	30
2009	30
2010	50
2011	50
2012	50
2013	40
2014	50
2015	70
2016	50
2017	50
2018	50
2019	50
2020	40
2021	60
2022	80