Year	SPI (scale 0-100)
2005	60.3625
2006	60.575
2007	62.43125
2008	62.15625
2009	61.225
2010	57.4
2011	58.775
2012	59.4625
2013	59.325
2014	55.85
2015	54.7375
2016	53.25625
2017	58.08125
2018	56.90625
2019	57.39375
2020	67.79375
2021	79.575
2022	79.575