Rank	Countries/Territories	Count	Percent
1	China	220	32.4%
2	United States	199	29.4%
3	Germany	106	15.6%
4	France	22	3.2%
5	Canada	21	3.1%
6	India	16	2.4%
7	Ireland	12	1.8%
8	Russia	12	1.8%
9	Japan	8	1.2%
10	Netherlands	7	1%
11	Brazil	6	0.9%
12	Spain	5	0.7%
13	Italy	4	0.6%
14	Bulgaria	3	0.4%
15	Austria	3	0.4%
16	Turkey	3	0.4%
17	United Kingdom	3	0.4%
18	Philippines	3	0.4%
19	Korea, Republic of	3	0.4%
20	Malaysia	2	0.3%
21	South Africa	2	0.3%
22	Uganda	2	0.3%
23	Czech Republic	2	0.3%
24	Indonesia	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Greece	2	0.3%
27	Hong Kong	1	0.1%
28	Egypt	1	0.1%
29	Ethiopia	1	0.1%
30	Costa Rica	1	0.1%
31	Australia	1	0.1%
32	Ukraine	1	0.1%
33	Taiwan	1	0.1%
34	Mexico	1	0.1%