Year	SPI (scale 0-100)
2005	54.43125
2006	57.08125
2007	57.225
2008	56.45625
2009	56.34375
2010	51.8375
2011	51.6875
2012	53.10625
2013	58.34375
2014	55.83125
2015	56.1375
2016	56.39375
2017	55.38125
2018	51.175
2019	57.3625
2020	71.70625
2021	82.0125
2022	82.0125