Rank	Countries/Territories	Count	Percent
1	United States	507	46.9%
2	China	260	24%
3	Germany	122	11.3%
4	France	34	3.1%
5	United Kingdom	31	2.9%
6	Netherlands	26	2.4%
7	Japan	26	2.4%
8	Australia	17	1.6%
9	Cyprus	8	0.7%
10	Singapore	7	0.6%
11	Canada	6	0.6%
12	Taiwan	5	0.5%
13	Switzerland	4	0.4%
14	Korea, Republic of	4	0.4%
15	Ukraine	3	0.3%
16	Spain	3	0.3%
17	Hong Kong	2	0.2%
18	Ireland	2	0.2%
19	Denmark	2	0.2%
20	Ethiopia	2	0.2%
21	Belgium	1	0.1%
22	Brazil	1	0.1%
23	Israel	1	0.1%
24	Liechtenstein	1	0.1%
25	Mongolia	1	0.1%
26	Sweden	1	0.1%
27	South Africa	1	0.1%
28	New Zealand	1	0.1%
29	Oman	1	0.1%
30	Pakistan	1	0.1%
31	Poland	1	0.1%