Rank	Countries/Territories	Count	Percent
1	United States	475	40.6%
2	China	250	21.3%
3	Germany	98	8.4%
4	India	74	6.3%
5	Japan	32	2.7%
6	Russia	27	2.3%
7	Australia	19	1.6%
8	Brazil	18	1.5%
9	Netherlands	15	1.3%
10	Korea, Republic of	14	1.2%
11	Egypt	14	1.2%
12	United Kingdom	12	1%
13	Morocco	11	0.9%
14	Canada	9	0.8%
15	Iran, Islamic Republic of	9	0.8%
16	Singapore	7	0.6%
17	Taiwan	7	0.6%
18	Iraq	5	0.4%
19	Israel	5	0.4%
20	Malaysia	4	0.3%
21	Poland	4	0.3%
22	Hong Kong	4	0.3%
23	Denmark	4	0.3%
24	Slovenia	4	0.3%
25	Spain	3	0.3%
26	Turkey	3	0.3%
27	Indonesia	3	0.3%
28	France	3	0.3%
29	Mexico	3	0.3%
30	Lithuania	2	0.2%
31	Jordan	2	0.2%
32	Qatar	2	0.2%
33	Norway	2	0.2%
34	Hungary	2	0.2%
35	Greece	2	0.2%
36	Ethiopia	2	0.2%
37	Finland	2	0.2%
38	Chile	2	0.2%
39	Philippines	2	0.2%
40	Tanzania, United Republic of	2	0.2%
41	Tunisia	2	0.2%
42	South Africa	2	0.2%
43	Saudi Arabia	2	0.2%
44	Sweden	1	0.1%
45	Ireland	1	0.1%
46	Pakistan	1	0.1%
47	Peru	1	0.1%
48	Romania	1	0.1%
49	Italy	1	0.1%
50	Mongolia	1	0.1%