Research Article
Operation Efficiency Evaluation of the China-Europe Freight Train Based on Grey Cross-Efficiency DEA
Table 6
Annual data of input and output indicators.
| Year | Input | Output | Annual operation trains | Overseas cities | Domestic cities | Operating lines | Entry-exit nodes | Annual containers | Total value of annual freights | Train return ratio |
| 2011 | 17 | 1 | 1 | 1 | 1 | 1404 | 0.7 | 0 | 2012 | 42 | 2 | 3 | 3 | 1 | 3674 | 1.84 | 0 | 2013 | 80 | 8 | 6 | 8 | 2 | 6960 | 4.61 | 0 | 2014 | 308 | 9 | 7 | 10 | 2 | 26078 | 13.04 | 9.1 | 2015 | 815 | 11 | 10 | 21 | 2 | 68902 | 34.45 | 32.5 | 2016 | 1702 | 13 | 15 | 26 | 4 | 145794 | 72.9 | 33.6 | 2017 | 3673 | 34 | 35 | 57 | 4 | 317930 | 145 | 34.7 | 2018 | 6363 | 49 | 56 | 65 | 5 | 533268 | 248.11 | 42.3 |
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