Rank	Countries/Territories	Count	Percent
1	United States	449	33.8%
2	China	397	29.8%
3	Germany	101	7.6%
4	Japan	83	6.2%
5	India	77	5.8%
6	France	38	2.9%
7	Canada	23	1.7%
8	United Kingdom	19	1.4%
9	Singapore	16	1.2%
10	Spain	15	1.1%
11	Netherlands	11	0.8%
12	Korea, Republic of	9	0.7%
13	Brazil	7	0.5%
14	Australia	6	0.5%
15	Egypt	6	0.5%
16	Norway	6	0.5%
17	South Africa	5	0.4%
18	Taiwan	5	0.4%
19	Saudi Arabia	4	0.3%
20	Mexico	4	0.3%
21	Cyprus	4	0.3%
22	Czech Republic	4	0.3%
23	Hong Kong	4	0.3%
24	Iran, Islamic Republic of	4	0.3%
25	Mongolia	3	0.2%
26	Pakistan	3	0.2%
27	Palestine, State of	3	0.2%
28	Portugal	3	0.2%
29	New Zealand	2	0.2%
30	Jordan	2	0.2%
31	Ireland	2	0.2%
32	Italy	2	0.2%
33	Indonesia	2	0.2%
34	Denmark	2	0.2%
35	Thailand	2	0.2%
36	Turkey	2	0.2%
37	Ukraine	1	0.1%
38	Bangladesh	1	0.1%
39	Georgia	1	0.1%
40	Malaysia	1	0.1%
41	Qatar	1	0.1%