Year	SPI (scale 0-100)
2004	30
2005	30
2006	30
2007	40
2008	30
2009	30
2010	50
2011	50
2012	60
2013	50
2014	50
2015	50
2016	70
2017	90
2018	90
2019	90
2020	66.6
2021	76.6
2022	76.6