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%