Rank	Countries/Territories	Count	Percent
1	United States	375	38.3%
2	China	211	21.6%
3	Japan	131	13.4%
4	Germany	72	7.4%
5	Singapore	20	2%
6	France	19	1.9%
7	Ireland	16	1.6%
8	Canada	15	1.5%
9	Russia	14	1.4%
10	United Kingdom	12	1.2%
11	Netherlands	11	1.1%
12	Argentina	11	1.1%
13	Korea, Republic of	8	0.8%
14	Taiwan	8	0.8%
15	Iran, Islamic Republic of	7	0.7%
16	Italy	6	0.6%
17	India	6	0.6%
18	Hong Kong	5	0.5%
19	Mexico	3	0.3%
20	Poland	3	0.3%
21	Romania	3	0.3%
22	Turkey	3	0.3%
23	Sweden	3	0.3%
24	Norway	2	0.2%
25	South Africa	2	0.2%
26	Ethiopia	2	0.2%
27	Cyprus	2	0.2%
28	Denmark	1	0.1%
29	Australia	1	0.1%
30	Mongolia	1	0.1%
31	Macao	1	0.1%
32	Spain	1	0.1%
33	Uzbekistan	1	0.1%
34	Ukraine	1	0.1%
35	Thailand	1	0.1%