Year	SPI (scale 0-100)
2004	20
2005	20
2006	30
2007	30
2008	30
2009	30
2010	50
2011	50
2012	40
2013	50
2014	50
2015	70
2016	90
2017	70
2018	70
2019	60
2020	60
2021	80
2022	80