Rank	Countries/Territories	Count	Percent
1	United States	689	35.7%
2	China	688	35.7%
3	Germany	144	7.5%
4	Russia	58	3%
5	Canada	53	2.7%
6	France	41	2.1%
7	India	33	1.7%
8		29	1.5%
9	Netherlands	28	1.5%
10	Singapore	18	0.9%
11	United Kingdom	11	0.6%
12	Ireland	11	0.6%
13	Japan	11	0.6%
14	Cyprus	11	0.6%
15	Taiwan	10	0.5%
16	Egypt	9	0.5%
17	Australia	8	0.4%
18	Hong Kong	7	0.4%
19	Korea, Republic of	5	0.3%
20	Romania	5	0.3%
21	South Africa	5	0.3%
22	Indonesia	4	0.2%
23	Malaysia	4	0.2%
24	Italy	4	0.2%
25	Belgium	4	0.2%
26	Brazil	3	0.2%
27	Philippines	3	0.2%
28	Israel	3	0.2%
29	Nepal	2	0.1%
30	Argentina	2	0.1%
31	Ethiopia	2	0.1%
32	Colombia	2	0.1%
33	Greece	2	0.1%
34	Peru	2	0.1%
35	Saudi Arabia	1	0.1%
36	Tanzania, United Republic of	1	0.1%
37	Ukraine	1	0.1%
38	United Arab Emirates	1	0.1%
39	Switzerland	1	0.1%
40	Viet Nam	1	0.1%
41	Guam	1	0.1%
42	Georgia	1	0.1%
43	Armenia	1	0.1%
44	Algeria	1	0.1%
45	Cambodia	1	0.1%
46	Bahrain	1	0.1%
47	Mexico	1	0.1%
48	Mongolia	1	0.1%
49	Portugal	1	0.1%
50	Norway	1	0.1%
51	Lebanon	1	0.1%