Rank	Countries/Territories	Count	Percent
1	United States	381	37.7%
2	China	287	28.4%
3	Germany	109	10.8%
4	United Kingdom	42	4.2%
5	India	26	2.6%
6	Japan	23	2.3%
7	Australia	14	1.4%
8	Palestine, State of	13	1.3%
9	Singapore	12	1.2%
10	Netherlands	7	0.7%
11	Thailand	7	0.7%
12	France	7	0.7%
13	Hong Kong	7	0.7%
14	Ireland	6	0.6%
15	Italy	5	0.5%
16	Iran, Islamic Republic of	5	0.5%
17	Canada	5	0.5%
18	Taiwan	5	0.5%
19	Romania	5	0.5%
20	Russia	4	0.4%
21	Korea, Republic of	4	0.4%
22	Sweden	4	0.4%
23	Tanzania, United Republic of	3	0.3%
24	Malaysia	3	0.3%
25	Cyprus	3	0.3%
26	Austria	3	0.3%
27	Hungary	3	0.3%
28	Iraq	2	0.2%
29	Colombia	2	0.2%
30	Ecuador	2	0.2%
31	South Africa	2	0.2%
32	Turkey	2	0.2%
33	Jordan	2	0.2%
34	Kenya	1	0.1%
35	Kuwait	1	0.1%
36	Saudi Arabia	1	0.1%
37	United Arab Emirates	1	0.1%
38	Spain	1	0.1%
39	Greece	1	0.1%