Rank	Countries/Territories	Count	Percent
1	China	196	30.5%
2	United States	196	30.5%
3	Germany	106	16.5%
4	Canada	21	3.3%
5	India	16	2.5%
6	France	15	2.3%
7	Ireland	12	1.9%
8	Russia	12	1.9%
9	Japan	8	1.2%
10	Netherlands	7	1.1%
11	Brazil	6	0.9%
12	Spain	5	0.8%
13	Italy	4	0.6%
14	Bulgaria	3	0.5%
15	Austria	3	0.5%
16	Turkey	3	0.5%
17	United Kingdom	3	0.5%
18	Philippines	3	0.5%
19	Korea, Republic of	3	0.5%
20	Malaysia	2	0.3%
21	South Africa	2	0.3%
22	Uganda	2	0.3%
23	Indonesia	2	0.3%
24	Iran, Islamic Republic of	2	0.3%
25	Greece	2	0.3%
26	Hong Kong	1	0.2%
27	Australia	1	0.2%
28	Costa Rica	1	0.2%
29	Egypt	1	0.2%
30	Ethiopia	1	0.2%
31	Ukraine	1	0.2%
32	Taiwan	1	0.2%
33	Mexico	1	0.2%