Rank	Countries/Territories	Count	Percent
1	United States	582	34.4%
2	China	459	27.1%
3	Germany	151	8.9%
4	France	51	3%
5	Brazil	40	2.4%
6	United Kingdom	38	2.2%
7	Russia	37	2.2%
8	Indonesia	31	1.8%
9	Canada	30	1.8%
10	Australia	22	1.3%
11	Japan	22	1.3%
12	Saudi Arabia	17	1%
13	Netherlands	16	0.9%
14	India	15	0.9%
15	Iran, Islamic Republic of	13	0.8%
16	Viet Nam	12	0.7%
17	Spain	11	0.6%
18	Singapore	10	0.6%
19	Hong Kong	10	0.6%
20	Hungary	10	0.6%
21	Cyprus	9	0.5%
22	Korea, Republic of	9	0.5%
23	Nigeria	7	0.4%
24	Norway	7	0.4%
25	Ethiopia	7	0.4%
26	Cote D'ivoire	6	0.4%
27	New Zealand	6	0.4%
28	Latvia	5	0.3%
29	Iraq	5	0.3%
30	Bangladesh	5	0.3%
31	Turkey	5	0.3%
32	Taiwan	4	0.2%
33	Belgium	4	0.2%
34	Malaysia	4	0.2%
35	Nepal	3	0.2%
36	Sweden	3	0.2%
37	Switzerland	3	0.2%
38	Philippines	3	0.2%
39	Israel	3	0.2%
40	Ukraine	3	0.2%
41	Tanzania, United Republic of	2	0.1%
42	Pakistan	2	0.1%
43	Slovakia	2	0.1%
44	Ecuador	2	0.1%
45	Greece	2	0.1%
46	Argentina	1	0.1%
47	Ireland	1	0.1%
48	Uganda	1	0.1%
49	Poland	1	0.1%
50	Zambia	1	0.1%