Rank	Countries/Territories	Count	Percent
1	United States	265	38.2%
2	China	224	32.3%
3	Germany	47	6.8%
4	Japan	23	3.3%
5	Korea, Republic of	16	2.3%
6	India	15	2.2%
7	Canada	14	2%
8	Singapore	11	1.6%
9	Netherlands	10	1.4%
10	France	9	1.3%
11	United Kingdom	7	1%
12	Iran, Islamic Republic of	6	0.9%
13	United Arab Emirates	5	0.7%
14	Hong Kong	4	0.6%
15	Argentina	4	0.6%
16	Cyprus	4	0.6%
17	Australia	3	0.4%
18	Ireland	3	0.4%
19	Taiwan	3	0.4%
20	Turkey	3	0.4%
21	Switzerland	2	0.3%
22	Mexico	2	0.3%
23	Belgium	2	0.3%
24	Ecuador	2	0.3%
25	Egypt	2	0.3%
26	Italy	1	0.1%
27	Lithuania	1	0.1%
28	Mauritius	1	0.1%
29	Morocco	1	0.1%
30	New Zealand	1	0.1%
31	Philippines	1	0.1%
32	Russia	1	0.1%
33	Virgin Islands, British	1	0.1%