Year	SPI (scale 0-100)
2005	29.6875
2006	29.83125
2007	36.94375
2008	37.2
2009	37.2
2010	37.38125
2011	36.84375
2012	32.1625
2013	31.49375
2014	31.2875
2015	30.80625
2016	34.225
2017	34.2625
2018	35.18125
2019	36.60625
2020	54.775
2021	60.8375
2022	60.8375