Year	SPI (scale 0-100)
2005	26.69375
2006	26.19375
2007	25.85625
2008	26.4125
2009	26.4125
2010	24.61875
2011	24.73125
2012	25.38125
2013	28.58125
2014	27.14375
2015	28.925
2016	28.86875
2017	29.925
2018	27.65625
2019	28.7375
2020	31.0625
2021	43.81875
2022	43.81875