Rank	Countries/Territories	Count	Percent
1	United States	561	41.5%
2	China	364	26.9%
3	Germany	108	8%
4	Japan	68	5%
5	Hong Kong	24	1.8%
6	Korea, Republic of	23	1.7%
7	Netherlands	20	1.5%
8	Ukraine	17	1.3%
9	Spain	15	1.1%
10	Singapore	14	1%
11	Australia	13	1%
12	Canada	12	0.9%
13	United Kingdom	11	0.8%
14	France	10	0.7%
15	India	10	0.7%
16	Iran, Islamic Republic of	8	0.6%
17	Belgium	8	0.6%
18	Denmark	7	0.5%
19	Egypt	6	0.4%
20	Brazil	6	0.4%
21	Greece	6	0.4%
22	Norway	6	0.4%
23	Sweden	6	0.4%
24	Russia	3	0.2%
25	Pakistan	3	0.2%
26	Argentina	3	0.2%
27	Ireland	3	0.2%
28	Colombia	2	0.1%
29	Cyprus	2	0.1%
30	Switzerland	2	0.1%
31	Taiwan	2	0.1%
32	Thailand	2	0.1%
33	Viet Nam	2	0.1%
34	Turkey	1	0.1%
35	South Africa	1	0.1%
36	Romania	1	0.1%
37	Oman	1	0.1%
38	New Zealand	1	0.1%