Rank	Countries/Territories	Count	Percent
1	United States	899	50.1%
2	China	386	21.5%
3	Germany	183	10.2%
4	France	50	2.8%
5	India	42	2.3%
6	Canada	26	1.5%
7	Netherlands	26	1.5%
8	Australia	22	1.2%
9	Cyprus	22	1.2%
10	Brazil	21	1.2%
11	Japan	18	1%
12	Korea, Republic of	18	1%
13	Norway	16	0.9%
14	Russia	7	0.4%
15	Ukraine	6	0.3%
16	Singapore	5	0.3%
17	Latvia	5	0.3%
18	Hong Kong	5	0.3%
19	Iraq	4	0.2%
20	Spain	4	0.2%
21	Zambia	4	0.2%
22	Malaysia	3	0.2%
23	Argentina	3	0.2%
24	Czech Republic	2	0.1%
25	Ireland	2	0.1%
26	Indonesia	2	0.1%
27	Iran, Islamic Republic of	2	0.1%
28	South Africa	2	0.1%
29	Switzerland	2	0.1%
30	United Kingdom	1	0.1%
31	Mongolia	1	0.1%
32	Peru	1	0.1%
33	Romania	1	0.1%
34	Libya	1	0.1%
35	Lithuania	1	0.1%