Rank	Countries/Territories	Count	Percent
1	United States	623	37.1%
2	China	515	30.7%
3	Germany	128	7.6%
4	Brazil	78	4.6%
5	France	56	3.3%
6	Canada	53	3.2%
7		36	2.1%
8	Qatar	19	1.1%
9	Japan	18	1.1%
10	India	18	1.1%
11	United Kingdom	16	1%
12	Singapore	15	0.9%
13	Netherlands	12	0.7%
14	Korea, Republic of	11	0.7%
15	Spain	11	0.7%
16	Hong Kong	10	0.6%
17	Iran, Islamic Republic of	9	0.5%
18	Australia	6	0.4%
19	Taiwan	5	0.3%
20	Turkey	5	0.3%
21	Cyprus	5	0.3%
22	Ireland	3	0.2%
23	Israel	3	0.2%
24	Russia	3	0.2%
25	Lithuania	3	0.2%
26	Palestine, State of	2	0.1%
27	Norway	2	0.1%
28	Sweden	2	0.1%
29	Italy	2	0.1%
30	Georgia	2	0.1%
31	Argentina	2	0.1%
32	Indonesia	1	0.1%
33	Ukraine	1	0.1%
34	Pakistan	1	0.1%
35	Malaysia	1	0.1%
36	Mexico	1	0.1%
37	Mongolia	1	0.1%