Year	SPI (scale 0-100)
2005	54.79375
2006	53.65
2007	53.5375
2008	54.0625
2009	53.675
2010	51.93125
2011	51.1875
2012	53.0125
2013	52.43125
2014	51.98125
2015	47.95
2016	49.99375
2017	49.10625
2018	47.4625
2019	41.78125
2020	52.40625
2021	60.90625
2022	60.90625