Rank	Countries/Territories	Count	Percent
1	United States	680	41.8%
2	China	518	31.8%
3	Germany	115	7.1%
4	France	48	2.9%
5	Australia	41	2.5%
6	Netherlands	23	1.4%
7	Russia	21	1.3%
8	India	16	1%
9	Japan	16	1%
10	Canada	14	0.9%
11	Cyprus	14	0.9%
12	Singapore	14	0.9%
13	United Kingdom	14	0.9%
14	Korea, Republic of	11	0.7%
15	Iran, Islamic Republic of	10	0.6%
16	Moldova, Republic of	10	0.6%
17	Norway	8	0.5%
18	Argentina	7	0.4%
19	Denmark	5	0.3%
20	Ireland	5	0.3%
21	South Africa	5	0.3%
22	Malaysia	4	0.2%
23	Ukraine	4	0.2%
24	Hong Kong	4	0.2%
25	Mexico	3	0.2%
26	Mongolia	3	0.2%
27	Nigeria	2	0.1%
28	Greece	2	0.1%
29	Latvia	2	0.1%
30	Ecuador	2	0.1%
31	Bulgaria	2	0.1%
32	Egypt	1	0.1%
33	Czech Republic	1	0.1%
34	Switzerland	1	0.1%
35	Taiwan	1	0.1%
36	Turkey	1	0.1%