Rank	Countries/Territories	Count	Percent
1	United States	336	37.8%
2	China	240	27%
3	Germany	68	7.6%
4	France	22	2.5%
5	Japan	21	2.4%
6	Singapore	16	1.8%
7	Korea, Republic of	13	1.5%
8	Canada	13	1.5%
9	Russia	13	1.5%
10	Italy	12	1.3%
11	Netherlands	12	1.3%
12	Hong Kong	11	1.2%
13	Spain	10	1.1%
14	New Zealand	9	1%
15	Turkey	9	1%
16	India	8	0.9%
17	Iran, Islamic Republic of	6	0.7%
18	Ireland	6	0.7%
19	Norway	6	0.7%
20	Taiwan	6	0.7%
21	Romania	6	0.7%
22	United Kingdom	6	0.7%
23	Portugal	4	0.4%
24	Brazil	4	0.4%
25	Belgium	3	0.3%
26	Finland	3	0.3%
27	Jordan	3	0.3%
28	Thailand	3	0.3%
29	Sweden	3	0.3%
30	South Africa	2	0.2%
31	Lithuania	2	0.2%
32	Luxembourg	2	0.2%
33	Mexico	2	0.2%
34	Morocco	2	0.2%
35	Cyprus	2	0.2%
36	Australia	2	0.2%
37	Colombia	1	0.1%
38	Poland	1	0.1%
39	Ukraine	1	0.1%