Rank	Countries/Territories	Count	Percent
1	United States	260	33.1%
2	China	235	29.9%
3	Germany	72	9.2%
4	Japan	41	5.2%
5	France	31	3.9%
6	United Kingdom	18	2.3%
7	Canada	17	2.2%
8	Korea, Republic of	17	2.2%
9	Netherlands	14	1.8%
10	Singapore	12	1.5%
11	Russia	8	1%
12	India	7	0.9%
13	Iran, Islamic Republic of	7	0.9%
14	Turkey	6	0.8%
15	Switzerland	5	0.6%
16	Liechtenstein	4	0.5%
17	Italy	3	0.4%
18	Cyprus	3	0.4%
19	Mexico	3	0.4%
20	Sweden	3	0.4%
21	Saudi Arabia	2	0.3%
22	Slovakia	2	0.3%
23	Portugal	2	0.3%
24	Australia	2	0.3%
25	Cuba	2	0.3%
26	Hong Kong	2	0.3%
27	Ireland	2	0.3%
28	Malaysia	1	0.1%
29	Greece	1	0.1%
30	Romania	1	0.1%
31	Norway	1	0.1%
32	Spain	1	0.1%
33	Ukraine	1	0.1%