Rank	Countries/Territories	Count	Percent
1	United States	472	31.4%
2	China	412	27.4%
3	Japan	203	13.5%
4	Germany	77	5.1%
5	Netherlands	64	4.3%
6	Singapore	45	3%
7	Ukraine	37	2.5%
8	France	31	2.1%
9	India	21	1.4%
10	Ireland	10	0.7%
11	Argentina	10	0.7%
12	United Kingdom	9	0.6%
13	Thailand	8	0.5%
14	Canada	8	0.5%
15	Egypt	8	0.5%
16	Korea, Republic of	6	0.4%
17	Mexico	5	0.3%
18	Cyprus	5	0.3%
19	Iraq	5	0.3%
20	Turkey	5	0.3%
21	Taiwan	4	0.3%
22	Australia	4	0.3%
23	Brazil	4	0.3%
24	Poland	4	0.3%
25	Portugal	4	0.3%
26	Romania	4	0.3%
27	Russia	4	0.3%
28	Saudi Arabia	3	0.2%
29	Mongolia	3	0.2%
30	Italy	3	0.2%
31	Indonesia	3	0.2%
32	Hong Kong	2	0.1%
33	Denmark	2	0.1%
34	Slovenia	2	0.1%
35	Spain	2	0.1%
36	Jordan	2	0.1%
37	Nigeria	2	0.1%
38	Oman	2	0.1%
39	Palestine, State of	2	0.1%
40	Peru	1	0.1%
41	Malaysia	1	0.1%
42	Qatar	1	0.1%
43	Finland	1	0.1%
44	Iran, Islamic Republic of	1	0.1%
45	Greece	1	0.1%
46	Uganda	1	0.1%