Rank	Countries/Territories	Count	Percent
1	China	329	48.2%
2	United States	86	12.6%
3	Germany	51	7.5%
4	Iran, Islamic Republic of	36	5.3%
5	Singapore	22	3.2%
6	United Kingdom	22	3.2%
7	Japan	17	2.5%
8	Ireland	14	2.1%
9	Hong Kong	10	1.5%
10	India	10	1.5%
11	Romania	10	1.5%
12	Malaysia	8	1.2%
13	Australia	7	1%
14	Brazil	6	0.9%
15	Canada	6	0.9%
16	Nigeria	5	0.7%
17	Taiwan	4	0.6%
18	Indonesia	4	0.6%
19	Mongolia	3	0.4%
20	Argentina	3	0.4%
21	France	3	0.4%
22	Pakistan	2	0.3%
23	Philippines	2	0.3%
24	Portugal	2	0.3%
25	Korea, Republic of	2	0.3%
26	Latvia	2	0.3%
27	Ukraine	2	0.3%
28	Viet Nam	2	0.3%
29	Estonia	2	0.3%
30	Ghana	2	0.3%
31	Netherlands	2	0.3%
32	New Zealand	1	0.1%
33	Italy	1	0.1%
34	Congo	1	0.1%
35	Denmark	1	0.1%
36	Turkey	1	0.1%
37	Norway	1	0.1%