Rank	Countries/Territories	Count	Percent
1	United States	207	28.5%
2	China	201	27.7%
3	Germany	98	13.5%
4	Japan	20	2.8%
5	Canada	16	2.2%
6	Netherlands	14	1.9%
7	Romania	13	1.8%
8	Taiwan	13	1.8%
9	Hong Kong	13	1.8%
10	Brazil	10	1.4%
11	India	9	1.2%
12	Singapore	9	1.2%
13	Russia	8	1.1%
14	Turkey	8	1.1%
15	France	8	1.1%
16	Australia	8	1.1%
17	Belgium	8	1.1%
18	Malaysia	7	1%
19	Israel	6	0.8%
20	Ukraine	6	0.8%
21	Iran, Islamic Republic of	6	0.8%
22	United Kingdom	5	0.7%
23	Spain	5	0.7%
24	Mexico	4	0.6%
25	Greece	3	0.4%
26	Cyprus	3	0.4%
27	Ireland	3	0.4%
28	New Zealand	2	0.3%
29	Italy	2	0.3%
30	Korea, Republic of	2	0.3%
31	Sweden	2	0.3%
32	Norway	1	0.1%
33	Egypt	1	0.1%
34	Estonia	1	0.1%
35	Georgia	1	0.1%
36	Iraq	1	0.1%
37	Iceland	1	0.1%
38	Viet Nam	1	0.1%