Year	SPI (scale 0-100)
2005	44.4125
2006	43.39375
2007	56.4125
2008	56.275
2009	56.275
2010	53.84375
2011	53.0125
2012	59.04375
2013	58.125
2014	57.4
2015	56.225
2016	56.875
2017	52.53125
2018	46.39375
2019	45.9875
2020	57.81875
2021	68.575
2022	68.575