Year	SPI (scale 0-100)
2005	55.30625
2006	60.7125
2007	62.45625
2008	63.275
2009	63.4
2010	60.80625
2011	61.78125
2012	62.05
2013	61.6125
2014	63.44375
2015	61.1125
2016	67.85
2017	73.275
2018	72.1375
2019	68.54375
2020	76.09375
2021	87.05
2022	87.05