Rank	Countries/Territories	Count	Percent
1	United States	351	34.6%
2	China	263	25.9%
3	Germany	91	9%
4	United Kingdom	32	3.2%
5	Netherlands	28	2.8%
6	France	23	2.3%
7	Japan	19	1.9%
8	India	19	1.9%
9	Russia	13	1.3%
10	Singapore	12	1.2%
11	Canada	12	1.2%
12	Bulgaria	10	1%
13	Iran, Islamic Republic of	10	1%
14	Switzerland	10	1%
15	Korea, Republic of	9	0.9%
16	Greece	9	0.9%
17	Australia	9	0.9%
18	Italy	8	0.8%
19	Brazil	7	0.7%
20	Poland	7	0.7%
21	Serbia	5	0.5%
22	Turkey	4	0.4%
23	Argentina	4	0.4%
24	Ireland	4	0.4%
25	Lithuania	3	0.3%
26	Cyprus	3	0.3%
27	Honduras	3	0.3%
28	Spain	3	0.3%
29	Sweden	3	0.3%
30	Philippines	3	0.3%
31	Peru	2	0.2%
32	Norway	2	0.2%
33	Portugal	2	0.2%
34	Senegal	2	0.2%
35	Thailand	2	0.2%
36	Ethiopia	2	0.2%
37	Bosnia and Herzegovina	2	0.2%
38	Mexico	2	0.2%
39	Jordan	2	0.2%
40	Kazakhstan	1	0.1%
41	Israel	1	0.1%
42	Morocco	1	0.1%
43	New Zealand	1	0.1%
44	Nigeria	1	0.1%
45	Luxembourg	1	0.1%
46	Malaysia	1	0.1%
47	Libya	1	0.1%
48	Denmark	1	0.1%
49	Egypt	1	0.1%
50	Chile	1	0.1%
51	Hungary	1	0.1%
52	Ukraine	1	0.1%
53	Viet Nam	1	0.1%
54	Saudi Arabia	1	0.1%
55	Taiwan	1	0.1%
56	Puerto Rico	1	0.1%
57	Romania	1	0.1%
58	Pakistan	1	0.1%