Rank	Countries/Territories	Count	Percent
1	United States	311	34.1%
2	China	279	30.6%
3	Germany	98	10.7%
4	United Kingdom	40	4.4%
5	India	26	2.9%
6	Japan	18	2%
7	Palestine, State of	13	1.4%
8	Australia	13	1.4%
9	Singapore	11	1.2%
10	Netherlands	7	0.8%
11	Thailand	7	0.8%
12	Hong Kong	7	0.8%
13	Ireland	6	0.7%
14	France	6	0.7%
15	Canada	5	0.5%
16	Italy	5	0.5%
17	Iran, Islamic Republic of	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	Hungary	3	0.3%
26	Cyprus	3	0.3%
27	Austria	3	0.3%
28	Colombia	2	0.2%
29	Ecuador	2	0.2%
30	Iraq	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%