Rank	Countries/Territories	Count	Percent
1	United States	424	29.2%
2	China	328	22.6%
3	Germany	101	7%
4	India	101	7%
5	Australia	58	4%
6	Canada	28	1.9%
7	Korea, Republic of	28	1.9%
8	France	26	1.8%
9	Russia	26	1.8%
10	Japan	24	1.7%
11	Singapore	18	1.2%
12	Netherlands	16	1.1%
13	Brazil	16	1.1%
14	Israel	15	1%
15	Indonesia	14	1%
16	Nigeria	14	1%
17	Egypt	13	0.9%
18	Pakistan	11	0.8%
19	United Kingdom	11	0.8%
20	Saudi Arabia	10	0.7%
21	Bangladesh	9	0.6%
22	Kyrgyzstan	8	0.6%
23	Malaysia	8	0.6%
24	Romania	8	0.6%
25	United Arab Emirates	8	0.6%
26	Ireland	7	0.5%
27	Czech Republic	6	0.4%
28	Viet Nam	6	0.4%
29	Philippines	6	0.4%
30	Mauritius	5	0.3%
31	Mexico	5	0.3%
32	Ukraine	5	0.3%
33	Sweden	5	0.3%
34	Cyprus	5	0.3%
35	Ecuador	5	0.3%
36	Iraq	5	0.3%
37	Iran, Islamic Republic of	4	0.3%
38	Ghana	4	0.3%
39	Thailand	4	0.3%
40	South Africa	4	0.3%
41	Taiwan	3	0.2%
42	Turkey	3	0.2%
43	Poland	3	0.2%
44	Puerto Rico	3	0.2%
45	Greece	3	0.2%
46	Belgium	3	0.2%
47	Argentina	3	0.2%
48	Denmark	2	0.1%
49	Haiti	2	0.1%
50	Hong Kong	2	0.1%
51	Malawi	2	0.1%
52	Italy	2	0.1%
53	Kenya	2	0.1%
54	Serbia	2	0.1%
55	Nepal	2	0.1%
56	Peru	2	0.1%
57	New Zealand	2	0.1%
58	Spain	2	0.1%
59	Slovakia	1	0.1%
60	Trinidad and Tobago	1	0.1%
61	Yemen	1	0.1%
62	Palestine, State of	1	0.1%
63	Myanmar	1	0.1%
64	Qatar	1	0.1%
65	Libya	1	0.1%
66	Ethiopia	1	0.1%
67	Georgia	1	0.1%
68	Colombia	1	0.1%
69	Bosnia and Herzegovina	1	0.1%