Year	SPI (scale 0-100)
2005	60.74375
2006	63.0625
2007	64.60625
2008	66.775
2009	67.775
2010	64.725
2011	65.35
2012	69.28125
2013	68.875
2014	67.8625
2015	63.01875
2016	64.5125
2017	60.56875
2018	69.825
2019	71.29375
2020	80.9625
2021	87.6
2022	87.6