Rank	Countries/Territories	Count	Percent
1	United States	632	36.2%
2	China	622	35.6%
3	Germany	138	7.9%
4	France	50	2.9%
5		50	2.9%
6	India	40	2.3%
7	Russia	30	1.7%
8	Singapore	18	1%
9	Canada	17	1%
10	Norway	14	0.8%
11	Japan	13	0.7%
12	Ireland	12	0.7%
13	Netherlands	10	0.6%
14	Korea, Republic of	9	0.5%
15	Cyprus	9	0.5%
16	Hong Kong	6	0.3%
17	Switzerland	6	0.3%
18	United Kingdom	6	0.3%
19	Latvia	5	0.3%
20	Colombia	5	0.3%
21	Indonesia	4	0.2%
22	Iran, Islamic Republic of	4	0.2%
23	Greece	4	0.2%
24	Spain	4	0.2%
25	Turkey	4	0.2%
26	Ukraine	3	0.2%
27	Taiwan	3	0.2%
28	Viet Nam	3	0.2%
29	Ethiopia	3	0.2%
30	Australia	3	0.2%
31	Romania	3	0.2%
32	Pakistan	3	0.2%
33	South Africa	2	0.1%
34	Italy	2	0.1%
35	Argentina	2	0.1%
36	Sweden	2	0.1%
37	Uzbekistan	1	0.1%
38	Ghana	1	0.1%
39	Iraq	1	0.1%
40	Israel	1	0.1%
41	Libya	1	0.1%
42	Philippines	1	0.1%
43	Poland	1	0.1%