Rank	Countries/Territories	Count	Percent
1	China	478	50.5%
2	United States	129	13.6%
3	Germany	53	5.6%
4	Japan	48	5.1%
5	Iran, Islamic Republic of	41	4.3%
6	Singapore	22	2.3%
7	United Kingdom	22	2.3%
8	Ireland	15	1.6%
9	Hong Kong	10	1.1%
10	India	10	1.1%
11	Australia	10	1.1%
12	Romania	10	1.1%
13	Russia	10	1.1%
14	Canada	9	1%
15	Malaysia	8	0.8%
16	Nigeria	7	0.7%
17	Brazil	6	0.6%
18	Costa Rica	5	0.5%
19	Latvia	5	0.5%
20	Taiwan	4	0.4%
21	Turkey	4	0.4%
22	Indonesia	4	0.4%
23	Italy	4	0.4%
24	Argentina	3	0.3%
25	France	3	0.3%
26	Mongolia	3	0.3%
27	Netherlands	2	0.2%
28	Korea, Republic of	2	0.2%
29	Ukraine	2	0.2%
30	Pakistan	2	0.2%
31	Philippines	2	0.2%
32	Portugal	2	0.2%
33	Ghana	2	0.2%
34	Estonia	2	0.2%
35	Viet Nam	2	0.2%
36	Finland	1	0.1%
37	Denmark	1	0.1%
38	Congo	1	0.1%
39	Norway	1	0.1%
40	New Zealand	1	0.1%