Year	SPI (scale 0-100)
2005	53.95625
2006	53.1625
2007	53.85625
2008	54.90625
2009	54.90625
2010	55.725
2011	56.1625
2012	48.55625
2013	47.6
2014	60.79375
2015	65.41875
2016	70.80625
2017	75.10625
2018	76.225
2019	75.2375
2020	78.84375
2021	86.43125
2022	86.43125