Year	SPI (scale 0-100)
2005	55.0625
2006	54.01875
2007	55.10625
2008	54.9375
2009	58.86875
2010	55.29375
2011	55.44375
2012	57.51875
2013	57.0625
2014	55.0875
2015	64.58125
2016	71.95
2017	73.9125
2018	73.075
2019	73.80625
2020	80.9875
2021	85.3375
2022	85.3375