| 年份 | 并购联系(条) | 国家/地区数(个) | 并购路径(条) | 网络密度 |
|---|---|---|---|---|
| 1998 | 3 | 5 | 3 | 0.001 |
| 1999 | 7 | 8 | 7 | 0.002 |
| 2000 | 36 | 19 | 19 | 0.004 |
| 2001 | 23 | 17 | 16 | 0.004 |
| 2002 | 26 | 21 | 18 | 0.004 |
| 2003 | 51 | 22 | 25 | 0.006 |
| 2004 | 62 | 28 | 32 | 0.007 |
| 2005 | 82 | 35 | 51 | 0.012 |
| 2006 | 76 | 31 | 39 | 0.009 |
| 2007 | 117 | 37 | 60 | 0.014 |
| 2008 | 131 | 39 | 55 | 0.012 |
| 2009 | 90 | 35 | 45 | 0.010 |
| 2010 | 118 | 32 | 49 | 0.011 |
| 2011 | 113 | 22 | 28 | 0.006 |
| 2012 | 108 | 31 | 38 | 0.009 |
| 2013 | 112 | 37 | 47 | 0.011 |
| 2014 | 132 | 39 | 65 | 0.015 |
| 2015 | 108 | 31 | 51 | 0.012 |
| 2016 | 143 | 28 | 54 | 0.012 |
| 2017 | 152 | 27 | 47 | 0.011 |