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