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