Table 7: Distribution of papers by country.
| Country | Number of Papers | Percentage |
| USA | 5 | 9% |
| UK | 1 | 2% |
| Tunisia | 1 | 2% |
| Sri Lanka | 2 | 4% |
| Spain | 1 | 2% |
| Romania | 1 | 2% |
| Japan | 5 | 9% |
| Italy | 1 | 2% |
| India | 2 | 4% |
| France | 2 | 4% |
| China | 27 | 47% |
| Canada | 3 | 5% |
| Brazil | 1 | 2% |
| Austria | 1 | 2% |
| Australia | 3 | 3 |
| Argentina | 1 | 2% |
| Total | 57 | 100% |