Table 5.
Top-10 degree centralities of country affiliations.
| Country | Degree | Country | Closeness | Country | Betweenness |
| China | 8049 | The United States | 0.9303 | The United States | 0.1831 |
| The United States | 6199 | The United Kingdom | 0.8670 | The United Kingdom | 0.0865 |
| The United Kingdom | 2111 | China | 0.8354 | China | 0.0641 |
| Italy | 1769 | Germany | 0.8101 | Italy | 0.0508 |
| Germany | 1250 | Italy | 0.7974 | Germany | 0.0331 |
| South Korea | 1177 | France | 0.7848 | France | 0.0325 |
| Canada | 1162 | Argentina | 0.7700 | Switzerland | 0.0314 |
| France | 1100 | The Netherlands | 0.7658 | Singapore | 0.0248 |
| Saudi Arabia | 989 | Switzerland | 0.7637 | Argentina | 0.0236 |
| Singapore | 722 | Spain | 0.7405 | Hong Kong | 0.0208 |