Rank	Countries/Territories	Count	Percent
1	United States	306	33.2%
2	China	303	32.9%
3	Germany	51	5.5%
4	India	33	3.6%
5	Canada	25	2.7%
6	France	19	2.1%
7	Egypt	18	2%
8	Australia	14	1.5%
9	Japan	14	1.5%
10	Netherlands	14	1.5%
11	United Kingdom	13	1.4%
12	Singapore	10	1.1%
13	Ireland	7	0.8%
14	South Africa	7	0.8%
15	Taiwan	5	0.5%
16	Italy	5	0.5%
17	Korea, Republic of	5	0.5%
18	Norway	5	0.5%
19	Austria	5	0.5%
20	Indonesia	5	0.5%
21	Hong Kong	4	0.4%
22	Cyprus	4	0.4%
23	Argentina	4	0.4%
24	Brazil	4	0.4%
25	Malaysia	4	0.4%
26	Mexico	4	0.4%
27	Thailand	4	0.4%
28	Ukraine	3	0.3%
29	Slovenia	3	0.3%
30	Russia	3	0.3%
31	Saudi Arabia	3	0.3%
32	Jordan	2	0.2%
33	Belgium	2	0.2%
34	Denmark	2	0.2%
35	Georgia	1	0.1%
36	Hungary	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Bangladesh	1	0.1%
39	Colombia	1	0.1%
40	Mongolia	1	0.1%
41	Slovakia	1	0.1%
42	Pakistan	1	0.1%
43	Philippines	1	0.1%
44	Romania	1	0.1%
45	Spain	1	0.1%
46	Switzerland	1	0.1%