Rank	Countries/Territories	Count	Percent
1	United States	515	39.3%
2	China	376	28.7%
3	Germany	124	9.5%
4	France	40	3%
5		39	3%
6	Netherlands	30	2.3%
7	Japan	28	2.1%
8	India	18	1.4%
9	Norway	15	1.1%
10	Singapore	15	1.1%
11	Switzerland	14	1.1%
12	Korea, Republic of	11	0.8%
13	Australia	11	0.8%
14	Cyprus	11	0.8%
15	Canada	10	0.8%
16	Russia	10	0.8%
17	Argentina	7	0.5%
18	United Kingdom	6	0.5%
19	Iran, Islamic Republic of	4	0.3%
20	Lebanon	3	0.2%
21	Malaysia	3	0.2%
22	Mongolia	2	0.2%
23	Latvia	2	0.2%
24	Saudi Arabia	2	0.2%
25	Poland	2	0.2%
26	Ukraine	2	0.2%
27	Spain	2	0.2%
28	Hong Kong	2	0.2%
29	Bangladesh	2	0.2%
30	Czech Republic	2	0.2%
31	Denmark	1	0.1%
32	Iraq	1	0.1%
33	Ireland	1	0.1%
34	Taiwan	1	0.1%