Rank	Countries/Territories	Count	Percent
1	United States	526	40.4%
2	China	490	37.7%
3	Germany	115	8.8%
4	France	27	2.1%
5	Netherlands	15	1.2%
6	Singapore	13	1%
7	Ukraine	11	0.8%
8	Japan	10	0.8%
9	Russia	8	0.6%
10	India	8	0.6%
11	Cyprus	7	0.5%
12	Korea, Republic of	7	0.5%
13	Norway	6	0.5%
14	Turkey	5	0.4%
15	Ecuador	5	0.4%
16	Australia	5	0.4%
17	Ireland	5	0.4%
18	United Kingdom	4	0.3%
19	Spain	4	0.3%
20	Kenya	4	0.3%
21	Sweden	3	0.2%
22	Argentina	3	0.2%
23	Canada	3	0.2%
24	Hong Kong	2	0.2%
25	Switzerland	2	0.2%
26	South Africa	2	0.2%
27	Latvia	2	0.2%
28	Luxembourg	2	0.2%
29	Mongolia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Iraq	1	0.1%
32	Austria	1	0.1%
33	Bangladesh	1	0.1%
34	Brazil	1	0.1%
35	Egypt	1	0.1%