Rank	Countries/Territories	Count	Percent
1	United States	434	36.7%
2	China	265	22.4%
3	Japan	135	11.4%
4	Germany	83	7%
5	France	31	2.6%
6	Russia	25	2.1%
7	Australia	23	1.9%
8	Singapore	20	1.7%
9	Canada	18	1.5%
10	Ireland	16	1.4%
11	Argentina	14	1.2%
12	United Kingdom	14	1.2%
13	India	12	1%
14	Netherlands	12	1%
15	Iran, Islamic Republic of	11	0.9%
16	Korea, Republic of	8	0.7%
17	Taiwan	8	0.7%
18	Italy	6	0.5%
19	Hong Kong	5	0.4%
20	Brazil	4	0.3%
21	Mexico	4	0.3%
22	Turkey	4	0.3%
23	Sweden	3	0.3%
24	Poland	3	0.3%
25	Romania	3	0.3%
26	Cyprus	3	0.3%
27	Ethiopia	2	0.2%
28	South Africa	2	0.2%
29	Mongolia	2	0.2%
30	Norway	2	0.2%
31	Kenya	2	0.2%
32	Macao	1	0.1%
33	Spain	1	0.1%
34	Thailand	1	0.1%
35	Czech Republic	1	0.1%
36	Denmark	1	0.1%
37	Ukraine	1	0.1%
38	Uzbekistan	1	0.1%