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 | 50.23 | 93.39 | 2004-2014 | 50.98 | 135.41 | 97.89 |
2003-2004 | 5.49 | 46.27 | 104.24 | 2005-2014 | 56.40 | 117.97 | 98.41 |
2003-2005 | 3.86 | 46.88 | 62.48 | 2006-2014 | 62.59 | 131.18 | 77.18 |
2003-2006 | 38.96 | 197.39 | 87.04 | 2007-2014 | 52.39 | 58.60 | 85.31 |
2003-2007 | 77.75 | 269.35 | 94.99 | 2008-2014 | 26.60 | 38.42 | 83.74 |
2003-2008 | 55.51 | 215.63 | 102.35 | 2009-2014 | 40.32 | 58.89 | 66.37 |
2003-2009 | 67.69 | 210.03 | 88.77 | 2010-2014 | 20.21 | 28.47 | 59.49 |
2003-2010 | 61.54 | 205.80 | 76.61 | 2011-2014 | 20.64 | 16.60 | 54.88 |
2003-2011 | 51.94 | 186.02 | 75.56 | 2012-2014 | 30.29 | 34.11 | 63.60 |
2003-2012 | 48.31 | 188.91 | 122.52 | 2013-2014 | 45.89 | 61.36 | 53.53 |
2003-2013 | 46.37 | 196.64 | 159.11 | 2014 | 64.83 | 78.90 | 49.16 |