Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	30
2010	30
2011	40
2012	40
2013	40
2014	40
2015	60
2016	80
2017	56.6
2018	56.6
2019	80
2020	80
2021	80
2022	80