Year	SPI (scale 0-100)
2005	43.775
2006	43.375
2007	44.5375
2008	44.36875
2009	38.675
2010	37.89375
2011	37.90625
2012	37.4375
2013	36.4
2014	37.5875
2015	38.5375
2016	39.39375
2017	40.925
2018	41.6875
2019	41.6
2020	48.2625
2021	52.3
2022	52.3