Rank	Countries/Territories	Count	Percent
1	United States	597	34.6%
2	China	535	31%
3	Germany	184	10.7%
4	Netherlands	55	3.2%
5	France	51	3%
6	Norway	48	2.8%
7	Japan	37	2.1%
8	India	37	2.1%
9		36	2.1%
10	Canada	26	1.5%
11	United Kingdom	14	0.8%
12	Singapore	13	0.8%
13	Australia	13	0.8%
14	Cyprus	12	0.7%
15	Sweden	7	0.4%
16	Russia	7	0.4%
17	Korea, Republic of	6	0.3%
18	Argentina	5	0.3%
19	Ireland	5	0.3%
20	Hong Kong	5	0.3%
21	Israel	4	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Egypt	3	0.2%
24	Mexico	3	0.2%
25	Mongolia	3	0.2%
26	Ukraine	3	0.2%
27	Pakistan	2	0.1%
28	Paraguay	2	0.1%
29	Brazil	2	0.1%
30	Bangladesh	1	0.1%
31	Italy	1	0.1%
32	Georgia	1	0.1%
33	Poland	1	0.1%
34	Romania	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%
37	South Africa	1	0.1%
38	Spain	1	0.1%