Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	40
2011	40
2012	40
2013	40
2014	50
2015	70
2016	76.6
2017	90
2018	80
2019	80
2020	66.6
2021	46.6
2022	46.6