Rank	Countries/Territories	Count	Percent
1	United States	340	35.2%
2	China	310	32.1%
3	Germany	82	8.5%
4	Japan	51	5.3%
5	France	28	2.9%
6	Canada	21	2.2%
7	Spain	15	1.6%
8	United Kingdom	14	1.4%
9	Netherlands	11	1.1%
10	Singapore	9	0.9%
11	Korea, Republic of	9	0.9%
12	Brazil	7	0.7%
13	Egypt	6	0.6%
14	Norway	5	0.5%
15	South Africa	5	0.5%
16	Taiwan	5	0.5%
17	India	5	0.5%
18	Australia	4	0.4%
19	Cyprus	4	0.4%
20	Saudi Arabia	4	0.4%
21	Pakistan	3	0.3%
22	Palestine, State of	3	0.3%
23	Mongolia	3	0.3%
24	Hong Kong	3	0.3%
25	Indonesia	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Ireland	2	0.2%
28	Italy	2	0.2%
29	New Zealand	2	0.2%
30	Thailand	2	0.2%
31	Ukraine	1	0.1%
32	Portugal	1	0.1%
33	Qatar	1	0.1%
34	Malaysia	1	0.1%
35	Czech Republic	1	0.1%
36	Georgia	1	0.1%
37	Bangladesh	1	0.1%