Rank	Countries/Territories	Count	Percent
1	United States	346	34.9%
2	China	301	30.3%
3	Germany	101	10.2%
4	Japan	50	5%
5	Netherlands	19	1.9%
6	Norway	11	1.1%
7	Korea, Republic of	10	1%
8	Hong Kong	10	1%
9	India	9	0.9%
10	France	9	0.9%
11	Singapore	9	0.9%
12	United Kingdom	9	0.9%
13	Egypt	7	0.7%
14	Canada	7	0.7%
15	Ireland	7	0.7%
16	Jordan	6	0.6%
17	Australia	6	0.6%
18	Sweden	6	0.6%
19	Viet Nam	4	0.4%
20	Taiwan	4	0.4%
21	Brazil	4	0.4%
22	Cyprus	4	0.4%
23	Mexico	4	0.4%
24	Mongolia	4	0.4%
25	Pakistan	4	0.4%
26	Romania	4	0.4%
27	Peru	3	0.3%
28	Iran, Islamic Republic of	3	0.3%
29	Argentina	3	0.3%
30	Switzerland	3	0.3%
31	South Africa	3	0.3%
32	Yemen	2	0.2%
33	Austria	2	0.2%
34	Faroe Islands	2	0.2%
35	Guatemala	2	0.2%
36	New Zealand	1	0.1%
37	Nigeria	1	0.1%
38	Portugal	1	0.1%
39	Lithuania	1	0.1%
40	Malaysia	1	0.1%
41	Kenya	1	0.1%
42	Israel	1	0.1%
43	Greece	1	0.1%
44	Bangladesh	1	0.1%
45	Bulgaria	1	0.1%
46	Colombia	1	0.1%
47	Thailand	1	0.1%
48	Turkey	1	0.1%
49	Spain	1	0.1%