Year	SPI (scale 0-100)
2005	16.63125
2006	16.43125
2007	16.43125
2008	16.43125
2009	25.2875
2010	22.7125
2011	22.01875
2012	21.4625
2013	21.4625
2014	12.60625
2015	18.01875
2016	17.75625
2017	18.39375
2018	19.2875
2019	19.85
2020	19.0375
2021	22.625
2022	22.625