Rank	Countries/Territories	Count	Percent
1	United States	601	39.1%
2	China	566	36.8%
3	Germany	172	11.2%
4	Canada	40	2.6%
5	Japan	37	2.4%
6	France	24	1.6%
7	Singapore	21	1.4%
8	Russia	10	0.7%
9	India	10	0.7%
10	Cyprus	9	0.6%
11	Netherlands	8	0.5%
12	Korea, Republic of	7	0.5%
13	Australia	4	0.3%
14	United Kingdom	4	0.3%
15	Lithuania	3	0.2%
16	Mongolia	3	0.2%
17	Norway	2	0.1%
18	Bangladesh	2	0.1%
19	Argentina	2	0.1%
20	Latvia	2	0.1%
21	Hong Kong	2	0.1%
22	Greece	1	0.1%
23	Ireland	1	0.1%
24	Israel	1	0.1%
25	Belarus	1	0.1%
26	Bulgaria	1	0.1%
27	Malaysia	1	0.1%
28	Ukraine	1	0.1%