Rank	Countries/Territories	Count	Percent
1	United States	455	34.5%
2	China	368	27.9%
3	Germany	81	6.1%
4	India	67	5.1%
5	Australia	64	4.9%
6	Japan	32	2.4%
7	Canada	22	1.7%
8	Netherlands	20	1.5%
9	France	18	1.4%
10	Russia	17	1.3%
11	Slovakia	17	1.3%
12	Ireland	16	1.2%
13	Korea, Republic of	14	1.1%
14	Romania	12	0.9%
15	Singapore	11	0.8%
16	Morocco	11	0.8%
17	Denmark	11	0.8%
18	Cote D'ivoire	11	0.8%
19	Cyprus	9	0.7%
20	Belgium	9	0.7%
21	Czech Republic	6	0.5%
22	United Kingdom	6	0.5%
23	Egypt	5	0.4%
24	Serbia	5	0.4%
25	Tanzania, United Republic of	4	0.3%
26	Algeria	3	0.2%
27	Hong Kong	2	0.2%
28	Kazakhstan	2	0.2%
29	Nigeria	2	0.2%
30	Oman	2	0.2%
31	Turkey	2	0.2%
32	Sweden	2	0.2%
33	Switzerland	1	0.1%
34	Taiwan	1	0.1%
35	South Africa	1	0.1%
36	Spain	1	0.1%
37	Malaysia	1	0.1%
38	Jordan	1	0.1%
39	Israel	1	0.1%
40	Italy	1	0.1%
41	Ethiopia	1	0.1%
42	Brazil	1	0.1%
43	Bulgaria	1	0.1%
44	Argentina	1	0.1%
45	Barbados	1	0.1%