年份 | 实际值 | GM (1, 1) | GM (1, 1)残差修正模型 | 灰色线性组合模型 | |||
预测值 | 相对误差 | 预测值 | 相对误差 | 预测值 | 相对误差 | ||
2000 | 853.35 | 853.35 | 0 | 853 | 0.0004 | 983.3 | 0.1522 |
2001 | 692.1 | 852.7347 | 0.2320 | 852.2966 | 0.2314 | 697.8 | 0.0082 |
2002 | 925.54 | 881.1522 | 0.0479 | 880.7215 | 0.0484 | 787.4 | 0.1492 |
2003 | 958.87 | 910.5167 | 0.0504 | 910.0944 | 0.0508 | 865.4 | 0.0974 |
2004 | 1062 | 940.8598 | 0.1140 | 940.4469 | 0.1144 | 933.2 | 0.1212 |
2005 | 978 | 972.214 | 0.0059 | 971.8116 | 0.0063 | 992.2 | 0.0145 |
2006 | 1024.5 | 1004.613 | 0.0194 | 1004.222 | 0.0197 | 1043.6 | 0.0186 |
2007 | 1009.33 | 1038.092 | 0.0284 | 1037.714 | 0.0281 | 1088.2 | 0.0781 |
2008 | 1034.4 | 1072.687 | 0.0370 | 1072.323 | 0.0366 | 1127.1 | 0.0896 |
2009 | 954.9 | 1108.434 | 0.1607 | 1108.086 | 0.1604 | 1160.9 | 0.2157 |
2010 | 1107.54 | 1145.373 | 0.0341 | 1145.042 | 0.0338 | 1190.3 | 0.0747 |
2011 | 1225.4 | 1183.542 | 0.0341 | 1183.23 | 0.0344 | 1215.9 | 0.0077 |
2012 | 1309.4 | 1222.984 | 0.0659 | 1222.692 | 0.0662 | 1238.1 | 0.0544 |
2013 | 1362.01 | 1263.74 | 0.0721 | 1263.47 | 0.0723 | 1257.5 | 0.0767 |
2014 | 1387.25 | 1305.854 | 0.0586 | 1305.607 | 0.0588 | 1274.3 | 0.0814 |
2015 | 1314.02 | 1349.372 | 0.0269 | 1349.151 | 0.0267 | 1289 | 0.0190 |
2016 | 1380.33 | 1394.34 | 0.0101 | 1394.146 | 0.0100 | 1301.7 | 0.0569 |
2017 | 1355.1 | 1440.806 | 0.0632 | 1440.642 | 0.0631 | 1312.8 | 0.0312 |