Rank	Countries/Territories	Count	Percent
1	United States	310	36.4%
2	China	294	34.5%
3	Germany	65	7.6%
4	India	25	2.9%
5	France	20	2.4%
6	Taiwan	14	1.6%
7	Russia	13	1.5%
8	Japan	9	1.1%
9	Cyprus	7	0.8%
10	Turkey	7	0.8%
11	Singapore	6	0.7%
12	Netherlands	6	0.7%
13	Canada	6	0.7%
14	Ireland	6	0.7%
15	Hong Kong	6	0.7%
16	Mexico	5	0.6%
17	Nepal	5	0.6%
18	United Kingdom	5	0.6%
19	Viet Nam	5	0.6%
20	Spain	4	0.5%
21	Iran, Islamic Republic of	4	0.5%
22	Australia	4	0.5%
23	Korea, Republic of	3	0.4%
24	Norway	3	0.4%
25	Uzbekistan	3	0.4%
26	Serbia	2	0.2%
27	Sweden	2	0.2%
28	Tanzania, United Republic of	2	0.2%
29	Italy	2	0.2%
30	Indonesia	2	0.2%
31	Malaysia	1	0.1%
32	Belgium	1	0.1%
33	Chile	1	0.1%
34	Greece	1	0.1%
35	South Africa	1	0.1%
36	Mongolia	1	0.1%