Rank	Countries/Territories	Count	Percent
1	United States	199	31.6%
2	China	184	29.3%
3	Germany	66	10.5%
4		26	4.1%
5	Japan	18	2.9%
6	Netherlands	18	2.9%
7	France	16	2.5%
8	India	13	2.1%
9	Singapore	9	1.4%
10	Bulgaria	8	1.3%
11	Dominican Republic	7	1.1%
12	Iran, Islamic Republic of	7	1.1%
13	Australia	6	1%
14	Hong Kong	5	0.8%
15	Romania	4	0.6%
16	Russia	4	0.6%
17	Cyprus	4	0.6%
18	United Kingdom	3	0.5%
19	Taiwan	3	0.5%
20	Turkey	3	0.5%
21	Ukraine	2	0.3%
22	Thailand	2	0.3%
23	South Africa	2	0.3%
24	Spain	2	0.3%
25	Nigeria	2	0.3%
26	Poland	2	0.3%
27	Mexico	2	0.3%
28	Denmark	2	0.3%
29	Ireland	2	0.3%
30	Mauritius	1	0.2%
31	Ghana	1	0.2%
32	Egypt	1	0.2%
33	Finland	1	0.2%
34	Canada	1	0.2%
35	Argentina	1	0.2%
36	Mongolia	1	0.2%
37	Viet Nam	1	0.2%