Rank	Countries/Territories	Count	Percent
1	United States	397	45.5%
2	China	208	23.8%
3	Germany	75	8.6%
4	France	51	5.8%
5	Canada	39	4.5%
6	Japan	28	3.2%
7	Singapore	10	1.1%
8	Netherlands	9	1%
9	Cyprus	6	0.7%
10	Australia	5	0.6%
11	India	4	0.5%
12	Indonesia	3	0.3%
13	Kazakhstan	3	0.3%
14	Malaysia	3	0.3%
15	Bulgaria	3	0.3%
16	Portugal	3	0.3%
17	Thailand	3	0.3%
18	Turkey	3	0.3%
19	South Africa	3	0.3%
20	Switzerland	2	0.2%
21	Viet Nam	2	0.2%
22	Bangladesh	2	0.2%
23	Egypt	2	0.2%
24	Hong Kong	2	0.2%
25	Mongolia	1	0.1%
26	Georgia	1	0.1%
27	Ukraine	1	0.1%
28	United Kingdom	1	0.1%
29	Russia	1	0.1%
30	New Zealand	1	0.1%
31	Poland	1	0.1%