Rank	Countries/Territories	Count	Percent
1	United States	467	37.1%
2	China	434	34.5%
3	Germany	114	9.1%
4	Japan	31	2.5%
5	France	24	1.9%
6	Pakistan	21	1.7%
7	Korea, Republic of	13	1%
8	Norway	13	1%
9	India	13	1%
10	Singapore	12	1%
11	Turkey	12	1%
12	Netherlands	10	0.8%
13	Australia	10	0.8%
14	Taiwan	9	0.7%
15	Viet Nam	8	0.6%
16	Canada	8	0.6%
17	Cyprus	7	0.6%
18	United Kingdom	6	0.5%
19	Russia	5	0.4%
20	Ukraine	4	0.3%
21	Lithuania	4	0.3%
22	Belgium	3	0.2%
23	Hong Kong	3	0.2%
24	Indonesia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Bulgaria	2	0.2%
27	Azerbaijan	2	0.2%
28	Egypt	2	0.2%
29	Argentina	2	0.2%
30	Mexico	2	0.2%
31	Slovenia	2	0.2%
32	Saudi Arabia	2	0.2%
33	Philippines	2	0.2%
34	Romania	1	0.1%
35	New Zealand	1	0.1%
36	Malaysia	1	0.1%
37	Belarus	1	0.1%
38	Italy	1	0.1%
39	Ghana	1	0.1%
40	Greece	1	0.1%