Rank	Countries/Territories	Count	Percent
1	United States	344	36%
2	China	333	34.8%
3	Germany	77	8.1%
4		25	2.6%
5	France	23	2.4%
6	Spain	19	2%
7	Singapore	16	1.7%
8	Egypt	12	1.3%
9	Japan	11	1.2%
10	Lithuania	8	0.8%
11	Netherlands	7	0.7%
12	Romania	7	0.7%
13	Taiwan	7	0.7%
14	Canada	7	0.7%
15	United Kingdom	7	0.7%
16	Australia	6	0.6%
17	Viet Nam	6	0.6%
18	Cyprus	5	0.5%
19	Iran, Islamic Republic of	4	0.4%
20	Korea, Republic of	4	0.4%
21	Russia	3	0.3%
22	Saudi Arabia	3	0.3%
23	South Africa	3	0.3%
24	Sweden	2	0.2%
25	United Arab Emirates	2	0.2%
26	Qatar	2	0.2%
27	Ireland	2	0.2%
28	Italy	2	0.2%
29	Bangladesh	2	0.2%
30	Argentina	2	0.2%
31	Costa Rica	1	0.1%
32	Brazil	1	0.1%
33	Bulgaria	1	0.1%
34	Hong Kong	1	0.1%
35	Luxembourg	1	0.1%