Rank	Countries/Territories	Count	Percent
1	United States	351	43.2%
2	China	206	25.3%
3	Germany	53	6.5%
4	Singapore	35	4.3%
5	Japan	32	3.9%
6	India	20	2.5%
7	Hong Kong	16	2%
8	Korea, Republic of	11	1.4%
9	Italy	9	1.1%
10	Thailand	9	1.1%
11	Russia	8	1%
12	Canada	7	0.9%
13	Australia	7	0.9%
14	Taiwan	5	0.6%
15	Spain	4	0.5%
16	Indonesia	4	0.5%
17	Belgium	4	0.5%
18	Chile	4	0.5%
19	France	4	0.5%
20	Bangladesh	3	0.4%
21	Argentina	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Pakistan	2	0.2%
24	Poland	2	0.2%
25	Slovakia	2	0.2%
26	South Africa	2	0.2%
27	Turkey	2	0.2%
28	United Kingdom	2	0.2%
29	Ukraine	1	0.1%
30	Greece	1	0.1%
31	Mongolia	1	0.1%
32	New Zealand	1	0.1%
33	Brazil	1	0.1%