Year	SPI (scale 0-100)
2005	43.46875
2006	44.08125
2007	46.075
2008	46.35625
2009	47.325
2010	47.3125
2011	48.95625
2012	50.29375
2013	50.04375
2014	51.175
2015	60.125
2016	63.1375
2017	69.54375
2018	70.61875
2019	68.5375
2020	67.14375
2021	78.61875
2022	78.61875