Rank	Countries/Territories	Count	Percent
1	United States	238	35.7%
2	China	155	23.2%
3	Germany	41	6.1%
4	United Kingdom	38	5.7%
5	Portugal	18	2.7%
6	France	16	2.4%
7	Singapore	14	2.1%
8	Taiwan	14	2.1%
9	Netherlands	13	1.9%
10	Japan	13	1.9%
11	Canada	11	1.6%
12	Australia	9	1.3%
13	Brazil	9	1.3%
14	India	8	1.2%
15	Romania	7	1%
16	Russia	6	0.9%
17	Saudi Arabia	6	0.9%
18	Lithuania	6	0.9%
19	Spain	6	0.9%
20	Iran, Islamic Republic of	5	0.7%
21	Hong Kong	4	0.6%
22	Cyprus	4	0.6%
23	Argentina	3	0.4%
24	Korea, Republic of	3	0.4%
25	Ireland	3	0.4%
26	Italy	2	0.3%
27	Ukraine	2	0.3%
28	Morocco	2	0.3%
29	Peru	2	0.3%
30	Malaysia	2	0.3%
31	Mexico	1	0.1%
32	New Zealand	1	0.1%
33	South Africa	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Azerbaijan	1	0.1%
37	Czech Republic	1	0.1%