Rank	Countries/Territories	Count	Percent
1	United States	554	37.7%
2	China	439	29.9%
3	Germany	147	10%
4	France	58	4%
5	United Kingdom	48	3.3%
6	Netherlands	30	2%
7	Japan	28	1.9%
8	Australia	27	1.8%
9	Canada	18	1.2%
10	Singapore	14	1%
11	Romania	10	0.7%
12	Austria	10	0.7%
13	Greece	9	0.6%
14	India	6	0.4%
15	Israel	6	0.4%
16	Cyprus	6	0.4%
17	Hong Kong	5	0.3%
18	Spain	5	0.3%
19	Kenya	5	0.3%
20	Jordan	4	0.3%
21	Sri Lanka	4	0.3%
22		4	0.3%
23	Iran, Islamic Republic of	3	0.2%
24	Mongolia	3	0.2%
25	Portugal	2	0.1%
26	Russia	2	0.1%
27	Korea, Republic of	2	0.1%
28	Norway	2	0.1%
29	Palestine, State of	2	0.1%
30	Italy	2	0.1%
31	Finland	2	0.1%
32	Bangladesh	2	0.1%
33	Turkey	2	0.1%
34	Ukraine	1	0.1%
35	United Arab Emirates	1	0.1%
36	Brazil	1	0.1%
37	Argentina	1	0.1%
38	Ireland	1	0.1%
39	Poland	1	0.1%
40	Taiwan	1	0.1%