Rank	Countries/Territories	Count	Percent
1	China	171	30.5%
2	United States	139	24.8%
3	Germany	74	13.2%
4	Japan	26	4.6%
5	Iran, Islamic Republic of	16	2.9%
6	Canada	16	2.9%
7	India	15	2.7%
8	Netherlands	15	2.7%
9	Hong Kong	9	1.6%
10	Korea, Republic of	6	1.1%
11	Taiwan	5	0.9%
12	France	5	0.9%
13	Viet Nam	5	0.9%
14	United Kingdom	5	0.9%
15	Ireland	4	0.7%
16	Brazil	4	0.7%
17	Egypt	4	0.7%
18	Chile	3	0.5%
19	Australia	3	0.5%
20	Tanzania, United Republic of	3	0.5%
21	Poland	3	0.5%
22	Nigeria	2	0.4%
23	Thailand	2	0.4%
24	Turkey	2	0.4%
25	Ukraine	2	0.4%
26	Romania	2	0.4%
27	Russia	2	0.4%
28	Singapore	2	0.4%
29	Bangladesh	2	0.4%
30	Colombia	2	0.4%
31	Costa Rica	2	0.4%
32	Cyprus	2	0.4%
33	Denmark	2	0.4%
34	Hungary	1	0.2%
35	South Africa	1	0.2%
36	Spain	1	0.2%
37	Norway	1	0.2%
38	Peru	1	0.2%
39	Qatar	1	0.2%