Rank	Countries/Territories	Count	Percent
1	United States	312	37.3%
2	China	241	28.8%
3	Germany	71	8.5%
4	Japan	28	3.3%
5	Korea, Republic of	22	2.6%
6	Netherlands	16	1.9%
7	India	15	1.8%
8	France	14	1.7%
9	Russia	13	1.6%
10	Poland	11	1.3%
11	Italy	9	1.1%
12	United Kingdom	9	1.1%
13	Turkey	8	1%
14	Australia	8	1%
15	Singapore	6	0.7%
16	Saudi Arabia	4	0.5%
17	Philippines	4	0.5%
18	New Zealand	4	0.5%
19	Pakistan	3	0.4%
20	Palestine, State of	3	0.4%
21	South Africa	3	0.4%
22	Spain	3	0.4%
23	Canada	3	0.4%
24	Cyprus	3	0.4%
25	Iran, Islamic Republic of	3	0.4%
26	Hong Kong	3	0.4%
27	Denmark	2	0.2%
28	Bangladesh	2	0.2%
29	Algeria	2	0.2%
30	Angola	2	0.2%
31	Mexico	2	0.2%
32	Mongolia	1	0.1%
33	Kuwait	1	0.1%
34	Romania	1	0.1%
35	Argentina	1	0.1%
36	Cote D'ivoire	1	0.1%
37	Belgium	1	0.1%
38	Brazil	1	0.1%
39	Ethiopia	1	0.1%