Rank	Countries/Territories	Count	Percent
1	United States	407	37.4%
2	China	246	22.6%
3	Germany	88	8.1%
4	Japan	87	8%
5	France	40	3.7%
6	Canada	40	3.7%
7	Singapore	24	2.2%
8	United Kingdom	24	2.2%
9	Netherlands	16	1.5%
10	Iran, Islamic Republic of	15	1.4%
11	Greece	12	1.1%
12	Poland	11	1%
13	Brazil	8	0.7%
14	India	7	0.6%
15	Cyprus	7	0.6%
16	Italy	7	0.6%
17	Turkey	6	0.6%
18	Australia	6	0.6%
19	Ireland	6	0.6%
20	Indonesia	5	0.5%
21	Slovakia	3	0.3%
22	Taiwan	2	0.2%
23	Russia	2	0.2%
24	Saudi Arabia	2	0.2%
25	Ukraine	2	0.2%
26	Mexico	2	0.2%
27	Hong Kong	2	0.2%
28	Algeria	2	0.2%
29	Chile	2	0.2%
30	Denmark	1	0.1%
31	Egypt	1	0.1%
32	Israel	1	0.1%
33	Mongolia	1	0.1%
34	Lithuania	1	0.1%
35	Malaysia	1	0.1%
36	Romania	1	0.1%
37	Norway	1	0.1%