Rank	Countries/Territories	Count	Percent
1	United States	411	39.2%
2	China	286	27.3%
3	Germany	69	6.6%
4	France	26	2.5%
5	Japan	24	2.3%
6	Canada	24	2.3%
7	Singapore	19	1.8%
8	India	14	1.3%
9	Russia	13	1.2%
10	Korea, Republic of	13	1.2%
11	Netherlands	13	1.2%
12	Italy	12	1.1%
13	Hong Kong	11	1%
14	Spain	10	1%
15	New Zealand	9	0.9%
16	Turkey	9	0.9%
17	Taiwan	8	0.8%
18	United Kingdom	7	0.7%
19	Ireland	7	0.7%
20	Iran, Islamic Republic of	6	0.6%
21	Norway	6	0.6%
22	Romania	6	0.6%
23	South Africa	5	0.5%
24	Portugal	4	0.4%
25	Brazil	4	0.4%
26	Australia	3	0.3%
27	Belgium	3	0.3%
28	Cyprus	3	0.3%
29	Finland	3	0.3%
30	Jordan	3	0.3%
31	Sweden	3	0.3%
32	Luxembourg	3	0.3%
33	Thailand	3	0.3%
34	Mexico	2	0.2%
35	Morocco	2	0.2%
36	Lithuania	2	0.2%
37	Poland	1	0.1%
38	Colombia	1	0.1%
39	Ukraine	1	0.1%