Rank	Countries/Territories	Count	Percent
1	United States	441	39.8%
2	China	359	32.4%
3	Germany	136	12.3%
4	Singapore	26	2.3%
5	India	17	1.5%
6	Japan	17	1.5%
7	Netherlands	15	1.4%
8	Korea, Republic of	13	1.2%
9	France	12	1.1%
10	United Kingdom	9	0.8%
11	Iran, Islamic Republic of	8	0.7%
12	Ireland	8	0.7%
13	Canada	8	0.7%
14	Spain	6	0.5%
15	Cyprus	4	0.4%
16	Bangladesh	3	0.3%
17	Argentina	3	0.3%
18	Hong Kong	3	0.3%
19	Taiwan	3	0.3%
20	Thailand	2	0.2%
21	Mongolia	2	0.2%
22	Sweden	2	0.2%
23	Australia	2	0.2%
24	Italy	2	0.2%
25	Kuwait	1	0.1%
26	Macao	1	0.1%
27	Malaysia	1	0.1%
28	Denmark	1	0.1%
29	Egypt	1	0.1%
30	New Zealand	1	0.1%
31	Pakistan	1	0.1%