Year	SPI (scale 0-100)
2005	46.24375
2006	46.1875
2007	50.9125
2008	54.0375
2009	55.08125
2010	54
2011	54.0375
2012	55.6
2013	52.8625
2014	56.8125
2015	50.6375
2016	52.08125
2017	52.73125
2018	52.06875
2019	46.44375
2020	59.06875
2021	64.5625
2022	64.5625