Rank	Countries/Territories	Count	Percent
1	United States	537	41.6%
2	China	421	32.6%
3	Germany	110	8.5%
4	Japan	30	2.3%
5	India	25	1.9%
6	France	15	1.2%
7	Netherlands	15	1.2%
8	Singapore	15	1.2%
9	Canada	12	0.9%
10	Ukraine	11	0.9%
11	Ireland	10	0.8%
12	Australia	10	0.8%
13	Brazil	10	0.8%
14	United Kingdom	8	0.6%
15	Korea, Republic of	8	0.6%
16	Cyprus	7	0.5%
17	Taiwan	7	0.5%
18	Syrian Arab Republic	5	0.4%
19	Norway	4	0.3%
20	Italy	3	0.2%
21	Mongolia	2	0.2%
22	Peru	2	0.2%
23	New Zealand	2	0.2%
24	Russia	2	0.2%
25	South Africa	2	0.2%
26	Sweden	2	0.2%
27	Argentina	2	0.2%
28	Bangladesh	2	0.2%
29	Israel	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Hong Kong	2	0.2%
32	Egypt	1	0.1%
33	Ethiopia	1	0.1%
34	Slovakia	1	0.1%
35	Slovenia	1	0.1%
36	Philippines	1	0.1%
37	Mexico	1	0.1%
38	Viet Nam	1	0.1%