Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	20
2011	20
2012	20
2013	30
2014	30
2015	50
2016	56.6
2017	60
2018	60
2019	60
2020	50
2021	50
2022	50