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