| Ranking | Count | Year | Keywords |
| 1 | 465 | 1997 | International trade |
| 2 | 170 | 2001 | trade |
| 3 | 163 | 2010 | productivity |
| 4 | 132 | 2008 | impact |
| 5 | 123 | 2005 | growth |
| 6 | 121 | 2008 | export |
| 7 | 93 | 2012 | performance |
| 8 | 84 | 2012 | china |
| 9 | 81 | 2004 | firm |
| 10 | 74 | 2007 | industry |
| 11 | 68 | 2012 | innovation |
| 12 | 68 | 1996 | model |
| 13 | 63 | 2004 | technology |
| 14 | 61 | 2010 | globalization |
| 15 | 59 | 2012 | foreign direct investment |