Rank	Countries/Territories	Count	Percent
1	United States	518	39.4%
2	China	462	35.1%
3	Germany	97	7.4%
4	France	31	2.4%
5		25	1.9%
6	Japan	21	1.6%
7	Korea, Republic of	20	1.5%
8	Netherlands	14	1.1%
9	Singapore	12	0.9%
10	Hong Kong	10	0.8%
11	India	9	0.7%
12	Cyprus	9	0.7%
13	United Kingdom	9	0.7%
14	Australia	8	0.6%
15	Ireland	8	0.6%
16	Italy	6	0.5%
17	Austria	6	0.5%
18	Russia	6	0.5%
19	Switzerland	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Spain	4	0.3%
22	Viet Nam	4	0.3%
23	Taiwan	3	0.2%
24	Canada	3	0.2%
25	Greece	3	0.2%
26	Indonesia	2	0.2%
27	Brazil	2	0.2%
28	Argentina	2	0.2%
29	Tanzania, United Republic of	2	0.2%
30	Turkey	2	0.2%
31	Ukraine	1	0.1%
32	New Zealand	1	0.1%
33	Poland	1	0.1%
34	Portugal	1	0.1%
35	Malaysia	1	0.1%
36	Mongolia	1	0.1%
37	Egypt	1	0.1%
38	Georgia	1	0.1%