Rank	Countries/Territories	Count	Percent
1	United States	317	41%
2	China	189	24.5%
3	Germany	71	9.2%
4	Japan	61	7.9%
5	Hong Kong	29	3.8%
6	France	22	2.8%
7	Iran, Islamic Republic of	14	1.8%
8	Singapore	11	1.4%
9	Netherlands	9	1.2%
10	Canada	9	1.2%
11	Bulgaria	5	0.6%
12	Russia	5	0.6%
13	India	4	0.5%
14	Cyprus	3	0.4%
15	Ireland	3	0.4%
16	Korea, Republic of	2	0.3%
17	Brazil	2	0.3%
18	Indonesia	2	0.3%
19	New Zealand	2	0.3%
20	Switzerland	2	0.3%
21	Taiwan	2	0.3%
22	Norway	1	0.1%
23	Philippines	1	0.1%
24	Romania	1	0.1%
25	Belgium	1	0.1%
26	Greece	1	0.1%
27	Malaysia	1	0.1%
28	Mexico	1	0.1%
29	Israel	1	0.1%
30	Italy	1	0.1%