Rank	Countries/Territories	Count	Percent
1	United States	590	38.8%
2	China	507	33.4%
3	Germany	123	8.1%
4	France	74	4.9%
5		42	2.8%
6	Japan	40	2.6%
7	Singapore	24	1.6%
8	Russia	18	1.2%
9	Switzerland	16	1.1%
10	India	13	0.9%
11	Cyprus	9	0.6%
12	United Kingdom	9	0.6%
13	Netherlands	8	0.5%
14	Canada	7	0.5%
15	Australia	5	0.3%
16	Bangladesh	4	0.3%
17	Ukraine	4	0.3%
18	Qatar	4	0.3%
19	Ireland	3	0.2%
20	Brazil	3	0.2%
21	Bulgaria	3	0.2%
22	Hong Kong	3	0.2%
23	Indonesia	2	0.1%
24	Norway	2	0.1%
25	Poland	2	0.1%
26	Malaysia	2	0.1%
27	Mongolia	1	0.1%
28	Latvia	1	0.1%
29	Argentina	1	0.1%