Year	SPI (scale 0-100)
2004	30
2005	40
2006	40
2007	30
2008	30
2009	30
2010	50
2011	40
2012	60
2013	60
2014	60
2015	80
2016	90
2017	90
2018	90
2019	90
2020	80
2021	60
2022	60