Rank	Countries/Territories	Count	Percent
1	United States	505	39.1%
2	China	451	34.9%
3	Germany	57	4.4%
4	India	39	3%
5	Japan	28	2.2%
6	United Kingdom	20	1.5%
7	Brazil	19	1.5%
8	Netherlands	16	1.2%
9	Singapore	14	1.1%
10	France	12	0.9%
11	Hong Kong	10	0.8%
12	Australia	9	0.7%
13	Spain	9	0.7%
14	Korea, Republic of	7	0.5%
15	Canada	6	0.5%
16	Sweden	6	0.5%
17	Uganda	6	0.5%
18	Iran, Islamic Republic of	5	0.4%
19	Greece	5	0.4%
20	Israel	5	0.4%
21	Ireland	4	0.3%
22	Tanzania, United Republic of	4	0.3%
23	Turkey	3	0.2%
24	Romania	3	0.2%
25	Cyprus	3	0.2%
26	Latvia	3	0.2%
27	Malaysia	3	0.2%
28	Nicaragua	3	0.2%
29	Norway	2	0.2%
30	Philippines	2	0.2%
31	Jordan	2	0.2%
32	Denmark	2	0.2%
33	Colombia	2	0.2%
34	Hungary	2	0.2%
35	South Africa	2	0.2%
36	Jamaica	2	0.2%
37	Taiwan	2	0.2%
38	Ukraine	2	0.2%
39	United Arab Emirates	1	0.1%
40	Thailand	1	0.1%
41	Viet Nam	1	0.1%
42	Switzerland	1	0.1%
43	Russia	1	0.1%
44	Saudi Arabia	1	0.1%
45	Iraq	1	0.1%
46	Ecuador	1	0.1%
47	Georgia	1	0.1%
48	Italy	1	0.1%
49	Moldova, Republic of	1	0.1%
50	Mongolia	1	0.1%
51	Lebanon	1	0.1%
52	Portugal	1	0.1%
53	New Zealand	1	0.1%
54	Oman	1	0.1%
55	Pakistan	1	0.1%