Year	SPI (scale 0-100)
2005	65.88125
2006	64.8375
2007	71.41875
2008	71.85
2009	73.05
2010	70.0125
2011	72.35
2012	70.53125
2013	70.86875
2014	67.5375
2015	63.1
2016	63.1
2017	67.375
2018	73.775
2019	72.70625
2020	78.2625
2021	87.24375
2022	87.24375