Year	SPI (scale 0-100)
2004	40
2005	40
2006	40
2007	40
2008	40
2009	40
2010	60
2011	50
2012	40
2013	40
2014	40
2015	60
2016	60
2017	60
2018	46.6
2019	46.6
2020	66.6
2021	66.6
2022	80