Rank	Countries/Territories	Count	Percent
1	United States	321	40.4%
2	China	192	24.2%
3	Germany	69	8.7%
4	India	57	7.2%
5	France	22	2.8%
6	Netherlands	15	1.9%
7	Ireland	14	1.8%
8	United Kingdom	12	1.5%
9	Mexico	10	1.3%
10	Brazil	7	0.9%
11	Singapore	7	0.9%
12	Taiwan	7	0.9%
13	Hong Kong	6	0.8%
14	Canada	6	0.8%
15	Cyprus	5	0.6%
16	Poland	5	0.6%
17	Argentina	4	0.5%
18	Iran, Islamic Republic of	4	0.5%
19	Mongolia	3	0.4%
20	Japan	3	0.4%
21	Korea, Republic of	3	0.4%
22	Egypt	3	0.4%
23	Bangladesh	3	0.4%
24	Pakistan	3	0.4%
25	Ukraine	2	0.3%
26	Sweden	2	0.3%
27	Viet Nam	2	0.3%
28	Australia	2	0.3%
29	Nepal	2	0.3%
30	Greece	2	0.3%
31	Switzerland	1	0.1%
32	Romania	1	0.1%