Year	SPI (scale 0-100)
2005	31.35625
2006	34.625
2007	34.625
2008	34.4875
2009	36.0875
2010	32.61875
2011	40.75
2012	41.1875
2013	42.38125
2014	43.64375
2015	42.075
2016	43.9375
2017	45.60625
2018	44.8625
2019	41.68125
2020	55.21875
2021	58.6125
2022	58.6125