Rank	Countries/Territories	Count	Percent
1	United States	298	31.2%
2	China	295	30.9%
3	Kuwait	89	9.3%
4	Germany	63	6.6%
5	United Kingdom	31	3.2%
6	Japan	22	2.3%
7	Singapore	15	1.6%
8	Netherlands	14	1.5%
9	France	14	1.5%
10	Switzerland	13	1.4%
11	Australia	12	1.3%
12	India	9	0.9%
13	Ireland	9	0.9%
14	Brazil	7	0.7%
15	Cyprus	6	0.6%
16	Canada	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	Taiwan	3	0.3%
22	Greece	3	0.3%
23	Algeria	3	0.3%
24	Argentina	2	0.2%
25	Bangladesh	2	0.2%
26	Bulgaria	2	0.2%
27	Italy	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Iraq	2	0.2%
30	Thailand	2	0.2%
31	Lithuania	2	0.2%
32	Malaysia	1	0.1%
33	Mongolia	1	0.1%
34	Romania	1	0.1%
35	Kenya	1	0.1%
36	Ukraine	1	0.1%
37	South Africa	1	0.1%