Rank	Countries/Territories	Count	Percent
1	United States	686	36.9%
2	China	624	33.6%
3	Germany	153	8.2%
4	Romania	83	4.5%
5	France	54	2.9%
6	Japan	52	2.8%
7	Hong Kong	45	2.4%
8	India	15	0.8%
9	Korea, Republic of	13	0.7%
10	Canada	13	0.7%
11	Taiwan	13	0.7%
12	Singapore	12	0.6%
13	Netherlands	11	0.6%
14	Egypt	10	0.5%
15	Cyprus	9	0.5%
16	Brazil	7	0.4%
17	Ireland	7	0.4%
18	Australia	6	0.3%
19	Argentina	4	0.2%
20	Ghana	4	0.2%
21	Mongolia	4	0.2%
22	Portugal	4	0.2%
23	Switzerland	4	0.2%
24	Ukraine	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Thailand	2	0.1%
27	Turkey	2	0.1%
28	Poland	2	0.1%
29	Russia	2	0.1%
30	Viet Nam	2	0.1%
31	Pakistan	1	0.1%
32	Peru	1	0.1%
33	United Kingdom	1	0.1%
34	South Africa	1	0.1%
35	Spain	1	0.1%
36	Tanzania, United Republic of	1	0.1%
37	Israel	1	0.1%
38	Italy	1	0.1%
39	Latvia	1	0.1%
40	Bangladesh	1	0.1%