Year | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
MIN | 0.2589 | 0.2471 | 0.2424 | 0.2419 | 0.2447 | 0.2568 | 0.2718 | 0.2796 | 0.2862 | 0.3112 | 0.3006 | 0.3113 |
MAX | 0.8346 | 0.8203 | 0.8338 | 0.8271 | 0.8122 | 0.8043 | 0.7993 | 0.8037 | 0.7992 | 0.7829 | 0.7612 | 0.7626 |
Delta | 0.5757 | 0.5732 | 0.5914 | 0.5852 | 0.5675 | 0.5475 | 0.5275 | 0.5241 | 0.5130 | 0.4717 | 0.4606 | 0.4513 |
MED | 0.3333 | 0.3399 | 0.3313 | 0.3438 | 0.3498 | 0.3566 | 0.3624 | 0.3733 | 0.3761 | 0.3735 | 0.3727 | 0.4001 |
AVE | 0.3758 | 0.3677 | 0.3671 | 0.3784 | 0.3762 | 0.3882 | 0.3890 | 0.3924 | 0.3993 | 0.4042 | 0.4058 | 0.4198 |