Rank	Countries/Territories	Count	Percent
1	United States	194	34.9%
2	China	188	33.8%
3	Germany	41	7.4%
4	Japan	22	4%
5	Korea, Republic of	15	2.7%
6	Canada	13	2.3%
7	Singapore	10	1.8%
8	France	9	1.6%
9	Netherlands	8	1.4%
10	United Kingdom	6	1.1%
11	India	6	1.1%
12	United Arab Emirates	5	0.9%
13	Hong Kong	4	0.7%
14	Iran, Islamic Republic of	4	0.7%
15	Ireland	3	0.5%
16	Cyprus	3	0.5%
17	Taiwan	3	0.5%
18	Turkey	3	0.5%
19	Switzerland	2	0.4%
20	Ecuador	2	0.4%
21	Egypt	2	0.4%
22	Argentina	2	0.4%
23	Australia	2	0.4%
24	Belgium	2	0.4%
25	Italy	1	0.2%
26	Lithuania	1	0.2%
27	Mauritius	1	0.2%
28	Morocco	1	0.2%
29	New Zealand	1	0.2%
30	Russia	1	0.2%
31	Virgin Islands, British	1	0.2%