Rank	Countries/Territories	Count	Percent
1	United States	316	34%
2	China	236	25.4%
3	Germany	91	9.8%
4	United Kingdom	32	3.4%
5	Netherlands	28	3%
6	France	21	2.3%
7	India	19	2%
8	Russia	13	1.4%
9	Singapore	11	1.2%
10	Canada	11	1.2%
11	Bulgaria	10	1.1%
12	Iran, Islamic Republic of	10	1.1%
13	Switzerland	10	1.1%
14	Japan	9	1%
15	Greece	9	1%
16	Australia	8	0.9%
17	Italy	8	0.9%
18	Brazil	7	0.8%
19	Poland	7	0.8%
20	Korea, Republic of	6	0.6%
21	Serbia	5	0.5%
22	Ireland	4	0.4%
23	Lithuania	3	0.3%
24	Cyprus	3	0.3%
25	Honduras	3	0.3%
26	Spain	3	0.3%
27	Sweden	3	0.3%
28	Turkey	3	0.3%
29	Philippines	3	0.3%
30	Peru	2	0.2%
31	Norway	2	0.2%
32	Portugal	2	0.2%
33	Senegal	2	0.2%
34	Thailand	2	0.2%
35	Ethiopia	2	0.2%
36	Argentina	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	Viet Nam	1	0.1%
53	Ukraine	1	0.1%
54	Taiwan	1	0.1%
55	Romania	1	0.1%
56	Saudi Arabia	1	0.1%
57	Pakistan	1	0.1%