Rank	Countries/Territories	Count	Percent
1	United States	307	35.3%
2	China	202	23.2%
3	Japan	131	15.1%
4	Germany	69	7.9%
5	Singapore	20	2.3%
6	Ireland	16	1.8%
7	France	15	1.7%
8	United Kingdom	12	1.4%
9	Netherlands	11	1.3%
10	Argentina	11	1.3%
11	Korea, Republic of	8	0.9%
12	Taiwan	8	0.9%
13	Canada	7	0.8%
14	Iran, Islamic Republic of	6	0.7%
15	Italy	6	0.7%
16	Hong Kong	5	0.6%
17	India	5	0.6%
18	Mexico	3	0.3%
19	Sweden	3	0.3%
20	Poland	3	0.3%
21	Romania	3	0.3%
22	Turkey	3	0.3%
23	South Africa	2	0.2%
24	Ethiopia	2	0.2%
25	Cyprus	2	0.2%
26	Norway	2	0.2%
27	Macao	1	0.1%
28	Denmark	1	0.1%
29	Australia	1	0.1%
30	Spain	1	0.1%
31	Russia	1	0.1%
32	Thailand	1	0.1%
33	Ukraine	1	0.1%
34	Uzbekistan	1	0.1%