| Research area | Registry | % of total |
1 2 3 4 5 6 7 8 9 10 | Business Economics Agriculture Government Law Science Technology Other Topics History Biotechnology Applied Microbiology Engineering Environmental Sciences Ecology Food Science Technology Social Sciences Other Topics | 64 21 16 14 13 5 5 5 5 5 | 37.43 12.28 9.36 8.19 7.60 2.92 2.92 2.92 2.92 2.92 |