Rank	Countries/Territories	Count	Percent
1	United States	364	42.4%
2	China	196	22.8%
3	Germany	82	9.5%
4	Japan	62	7.2%
5	Hong Kong	29	3.4%
6	France	24	2.8%
7	Iran, Islamic Republic of	14	1.6%
8	Singapore	12	1.4%
9	Netherlands	10	1.2%
10	Canada	9	1%
11	Brazil	5	0.6%
12	Bulgaria	5	0.6%
13	India	5	0.6%
14	Russia	5	0.6%
15	Taiwan	4	0.5%
16	United Kingdom	4	0.5%
17	Korea, Republic of	4	0.5%
18	Cyprus	4	0.5%
19	Ireland	3	0.3%
20	Mexico	3	0.3%
21	Switzerland	2	0.2%
22	New Zealand	2	0.2%
23	Indonesia	2	0.2%
24	Italy	2	0.2%
25	Malaysia	1	0.1%
26	Israel	1	0.1%
27	Greece	1	0.1%
28	Belgium	1	0.1%
29	Norway	1	0.1%
30	Philippines	1	0.1%
31	Romania	1	0.1%