
Rank | Countries/Territories | Count | Percent |
1 | United States | 67 | 20.3% |
2 | Ireland | 66 | 20% |
3 | China | 52 | 15.8% |
4 | Korea, Republic of | 38 | 11.5% |
5 | South Africa | 14 | 4.2% |
6 | Germany | 12 | 3.6% |
7 | Bangladesh | 7 | 2.1% |
8 | India | 7 | 2.1% |
9 | France | 6 | 1.8% |
10 | Romania | 5 | 1.5% |
11 | Switzerland | 4 | 1.2% |
12 | Turkey | 4 | 1.2% |
13 | Ghana | 4 | 1.2% |
14 | Japan | 4 | 1.2% |
15 | Malaysia | 4 | 1.2% |
16 | Australia | 3 | 0.9% |
17 | Ethiopia | 3 | 0.9% |
18 | United Kingdom | 3 | 0.9% |
19 | Spain | 3 | 0.9% |
20 | Sri Lanka | 3 | 0.9% |
21 | Pakistan | 3 | 0.9% |
22 | Portugal | 3 | 0.9% |
23 | Tajikistan | 2 | 0.6% |
24 | Belarus | 2 | 0.6% |
25 | Mauritius | 2 | 0.6% |
26 | Morocco | 2 | 0.6% |
27 | Libya | 1 | 0.3% |
28 | Benin | 1 | 0.3% |
29 | Canada | 1 | 0.3% |
30 | Russia | 1 | 0.3% |
31 | Ukraine | 1 | 0.3% |
32 | Viet Nam | 1 | 0.3% |
33 | Zambia | 1 | 0.3% |






