Rank	Countries/Territories	Count	Percent
1	United States	279	38.3%
2	China	235	32.2%
3	France	40	5.5%
4	Germany	37	5.1%
5	Japan	19	2.6%
6	Australia	16	2.2%
7	Italy	15	2.1%
8	Netherlands	9	1.2%
9	Canada	9	1.2%
10	Korea, Republic of	6	0.8%
11	Taiwan	6	0.8%
12	Thailand	5	0.7%
13	United Kingdom	5	0.7%
14	Hong Kong	5	0.7%
15	Indonesia	5	0.7%
16	Iran, Islamic Republic of	4	0.5%
17	Argentina	4	0.5%
18	Costa Rica	4	0.5%
19	Brazil	3	0.4%
20	Bulgaria	2	0.3%
21	Bangladesh	2	0.3%
22	Barbados	2	0.3%
23	Cyprus	2	0.3%
24	Czech Republic	2	0.3%
25	Mexico	2	0.3%
26	Ireland	2	0.3%
27	Turkey	2	0.3%
28	Ukraine	2	0.3%
29	Singapore	2	0.3%
30	Spain	1	0.1%
31	Russia	1	0.1%
32	Viet Nam	1	0.1%