Rank	Countries/Territories	Count	Percent
1	United States	330	38.3%
2	China	258	30%
3	Germany	86	10%
4		16	1.9%
5	Japan	16	1.9%
6	Ireland	13	1.5%
7	United Kingdom	12	1.4%
8	Korea, Republic of	10	1.2%
9	Portugal	10	1.2%
10	India	10	1.2%
11	Bahrain	9	1%
12	Australia	8	0.9%
13	Switzerland	8	0.9%
14	Netherlands	7	0.8%
15	Cyprus	7	0.8%
16	France	7	0.8%
17	Greece	5	0.6%
18	Russia	5	0.6%
19	Singapore	5	0.6%
20	Iran, Islamic Republic of	4	0.5%
21	Canada	4	0.5%
22	Argentina	4	0.5%
23	Italy	3	0.3%
24	Spain	3	0.3%
25	Taiwan	3	0.3%
26	Ukraine	3	0.3%
27	Pakistan	2	0.2%
28	Mongolia	2	0.2%
29	Zambia	2	0.2%
30	Malaysia	2	0.2%
31	Israel	2	0.2%
32	Hong Kong	2	0.2%
33	Austria	1	0.1%
34	Egypt	1	0.1%
35	Mexico	1	0.1%