Rank	Countries/Territories	Count	Percent
1	United States	572	31.2%
2	China	507	27.6%
3	Germany	104	5.7%
4	Denmark	53	2.9%
5	Indonesia	50	2.7%
6	Ukraine	40	2.2%
7	India	39	2.1%
8	United Kingdom	37	2%
9	France	27	1.5%
10	Italy	25	1.4%
11	Australia	24	1.3%
12	Netherlands	24	1.3%
13	Romania	21	1.1%
14	Korea, Republic of	20	1.1%
15	Ethiopia	18	1%
16	Canada	17	0.9%
17	Turkey	16	0.9%
18	Thailand	14	0.8%
19	Hong Kong	13	0.7%
20	Colombia	12	0.7%
21	Egypt	12	0.7%
22	Poland	12	0.7%
23	Singapore	11	0.6%
24	Mexico	11	0.6%
25	Japan	11	0.6%
26	Cyprus	10	0.5%
27	Brazil	9	0.5%
28	Switzerland	9	0.5%
29	Saudi Arabia	8	0.4%
30	Pakistan	8	0.4%
31	Viet Nam	8	0.4%
32	Ireland	8	0.4%
33	Israel	7	0.4%
34	Ghana	7	0.4%
35	Taiwan	6	0.3%
36	Spain	6	0.3%
37	Russia	5	0.3%
38	Greece	5	0.3%
39	Iraq	4	0.2%
40	Mongolia	4	0.2%
41	Malaysia	4	0.2%
42	Rwanda	4	0.2%
43	Philippines	3	0.2%
44	Nigeria	3	0.2%
45	South Africa	3	0.2%
46	Iran, Islamic Republic of	3	0.2%
47	Argentina	2	0.1%
48	Bangladesh	2	0.1%
49	Chile	2	0.1%
50	Slovenia	2	0.1%
51	Somalia	2	0.1%
52	Yemen	2	0.1%
53	Zambia	1	0.1%
54	Uganda	1	0.1%
55	Sweden	1	0.1%
56	Tajikistan	1	0.1%
57	Portugal	1	0.1%
58	Gambia	1	0.1%
59	Ecuador	1	0.1%
60	Hungary	1	0.1%
61	Jordan	1	0.1%
62	Kazakhstan	1	0.1%