Rank	Countries/Territories	Count	Percent
1	United States	798	48.7%
2	China	309	18.9%
3	Germany	86	5.3%
4	India	38	2.3%
5	Romania	35	2.1%
6	Russia	29	1.8%
7	Japan	26	1.6%
8	Netherlands	25	1.5%
9	Canada	25	1.5%
10	Italy	21	1.3%
11	Brazil	20	1.2%
12	United Kingdom	19	1.2%
13	Singapore	17	1%
14	Ireland	17	1%
15	Korea, Republic of	11	0.7%
16	Cyprus	9	0.5%
17	France	9	0.5%
18	Taiwan	9	0.5%
19	Tanzania, United Republic of	9	0.5%
20	Spain	8	0.5%
21	Turkey	7	0.4%
22	Peru	7	0.4%
23	Indonesia	7	0.4%
24	Australia	7	0.4%
25	Hong Kong	6	0.4%
26	Poland	6	0.4%
27	South Africa	5	0.3%
28	Syrian Arab Republic	5	0.3%
29	Jordan	5	0.3%
30	Mongolia	4	0.2%
31	Denmark	4	0.2%
32	Egypt	4	0.2%
33	Venezuela, Bolivarian Republic of	4	0.2%
34	Saudi Arabia	4	0.2%
35	Thailand	3	0.2%
36	Greece	3	0.2%
37	Ecuador	3	0.2%
38	Pakistan	3	0.2%
39	Israel	3	0.2%
40	Iraq	2	0.1%
41	Nigeria	2	0.1%
42	Norway	2	0.1%
43	Austria	2	0.1%
44	Bulgaria	2	0.1%
45	Argentina	2	0.1%
46	Sweden	2	0.1%
47	Switzerland	2	0.1%
48	Serbia	2	0.1%
49	Slovenia	2	0.1%
50	Philippines	1	0.1%
51	Ukraine	1	0.1%
52	Viet Nam	1	0.1%
53	Iran, Islamic Republic of	1	0.1%
54	Cameroon	1	0.1%
55	Morocco	1	0.1%
56	Nicaragua	1	0.1%
57	Mexico	1	0.1%