Year	SPI (scale 0-100)
2005	41.54375
2006	44.7375
2007	45.63125
2008	46.4125
2009	47.61875
2010	46.1375
2011	44.7375
2012	46.05625
2013	44.3
2014	47.13125
2015	45.21875
2016	46.825
2017	47.025
2018	47.125
2019	42.9375
2020	58.24375
2021	69.2375
2022	69.2375