Rank	Countries/Territories	Count	Percent
1	United States	300	30.2%
2	China	295	29.7%
3	Kuwait	89	9%
4	Germany	64	6.4%
5	France	31	3.1%
6	United Kingdom	31	3.1%
7	Japan	24	2.4%
8	India	20	2%
9	Netherlands	15	1.5%
10	Singapore	15	1.5%
11	Switzerland	13	1.3%
12	Australia	12	1.2%
13	Ireland	9	0.9%
14	Canada	7	0.7%
15	Brazil	7	0.7%
16	Cyprus	6	0.6%
17	Russia	6	0.6%
18	Spain	6	0.6%
19	Pakistan	5	0.5%
20	Hong Kong	4	0.4%
21	Turkey	4	0.4%
22	Taiwan	3	0.3%
23	Algeria	3	0.3%
24	Greece	3	0.3%
25	Italy	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Iraq	2	0.2%
28	Argentina	2	0.2%
29	Bangladesh	2	0.2%
30	Bulgaria	2	0.2%
31	Thailand	2	0.2%
32	Lithuania	2	0.2%
33	Malaysia	1	0.1%
34	Mongolia	1	0.1%
35	Romania	1	0.1%
36	Kenya	1	0.1%
37	Ukraine	1	0.1%
38	South Africa	1	0.1%