Rank	Countries/Territories	Count	Percent
1	United States	304	31.4%
2	Japan	177	18.3%
3	China	167	17.3%
4	Germany	65	6.7%
5	Netherlands	40	4.1%
6	Singapore	27	2.8%
7	Greece	23	2.4%
8	Russia	20	2.1%
9	Iran, Islamic Republic of	12	1.2%
10	India	11	1.1%
11	Egypt	11	1.1%
12	Hong Kong	10	1%
13	France	8	0.8%
14	South Africa	8	0.8%
15	Korea, Republic of	8	0.8%
16	Spain	8	0.8%
17	Poland	7	0.7%
18	Ireland	7	0.7%
19	Australia	7	0.7%
20	United Kingdom	6	0.6%
21	Croatia	5	0.5%
22	Cyprus	5	0.5%
23	Argentina	4	0.4%
24	Viet Nam	4	0.4%
25	Taiwan	3	0.3%
26	Iraq	3	0.3%
27	Austria	2	0.2%
28	Brazil	2	0.2%
29	Tunisia	2	0.2%
30	Turkey	2	0.2%
31	Romania	2	0.2%
32	South Sudan	2	0.2%
33	Saudi Arabia	1	0.1%
34	Mauritius	1	0.1%
35	Sweden	1	0.1%
36	Canada	1	0.1%
37	Belgium	1	0.1%
38	Ethiopia	1	0.1%