Years | Actual value | Predicted value |
2011 | 15.10 | 15.93 |
2012 | 15.20 | 15.26 |
2013 | 17.50 | 15.20 |
2014 | 19.70 | 17.06 |
2015 | 19.60 | 19.22 |
2016 | 18.30 | 19.55 |