Training data | Benchmark annual yield (%) | Combined annual yield (%) | Standard deviation of combined yield (%) | Test data | Benchmark annual yield (%) | Combined annual yield (%) | Standard deviation of combined yield (%) |
2003 | 14.22 | 52.06 | 31.90 | 2004-2014 | 50.98 | 93.39 | 28.40 |
2003-2004 | 5.49 | 38.78 | 37.47 | 2005-2014 | 56.40 | 116.68 | 39.81 |
2003-2005 | 3.86 | 43.87 | 26.61 | 2006-2014 | 62.59 | 110.69 | 17.48 |
2003-2006 | 38.96 | 157.80 | 39.24 | 2007-2014 | 52.39 | 75.73 | 46.49 |
2003-2007 | 77.75 | 260.32 | 80.78 | 2008-2014 | 26.60 | 41.94 | 28.78 |
2003-2008 | 55.51 | 194.23 | 79.53 | 2009-2014 | 40.32 | 27.79 | 32.85 |
2003-2009 | 67.69 | 196.87 | 150.40 | 2010-2014 | 20.21 | 8.27 | 21.18 |
2003-2010 | 61.54 | 173.68 | 33.35 | 2011-2014 | 20.64 | 16.63 | 15.93 |
2003-2011 | 51.94 | 184.34 | 19.41 | 2012-2014 | 30.29 | 49.22 | 18.82 |
2003-2012 | 48.31 | 176.75 | 9.83 | 2013-2014 | 45.89 | 46.94 | 11.91 |
2003-2013 | 46.37 | 180.21 | 22.72 | 2014 | 64.83 | 69.84 | 31.64 |