Rank	Countries/Territories	Count	Percent
1	United States	506	43.3%
2	China	310	26.5%
3	Germany	77	6.6%
4	Australia	34	2.9%
5	France	25	2.1%
6	Korea, Republic of	18	1.5%
7	Netherlands	18	1.5%
8	Singapore	18	1.5%
9	Japan	17	1.5%
10	United Kingdom	17	1.5%
11	India	16	1.4%
12	Canada	14	1.2%
13	Taiwan	12	1%
14	Brazil	9	0.8%
15	Italy	7	0.6%
16	Ireland	6	0.5%
17	Denmark	6	0.5%
18	Ukraine	6	0.5%
19	Cyprus	5	0.4%
20	Algeria	5	0.4%
21	Greece	4	0.3%
22	Hong Kong	4	0.3%
23	Spain	4	0.3%
24	Indonesia	3	0.3%
25	Hungary	3	0.3%
26	Egypt	2	0.2%
27	Chile	2	0.2%
28	Colombia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Mongolia	2	0.2%
31	Russia	2	0.2%
32	Nigeria	2	0.2%
33	Norway	2	0.2%
34	United Arab Emirates	2	0.2%
35	Viet Nam	2	0.2%
36	Poland	1	0.1%
37	South Africa	1	0.1%
38	Malaysia	1	0.1%
39	Mexico	1	0.1%
40	Bangladesh	1	0.1%