Rank	Countries/Territories	Count	Percent
1	United States	240	38.8%
2	China	197	31.8%
3	France	37	6%
4	Germany	28	4.5%
5	Japan	18	2.9%
6	Netherlands	10	1.6%
7	Singapore	9	1.5%
8	Korea, Republic of	6	1%
9	Australia	6	1%
10	Ireland	5	0.8%
11	Israel	5	0.8%
12	Poland	5	0.8%
13	Russia	4	0.6%
14	Spain	4	0.6%
15	Cyprus	4	0.6%
16	Egypt	4	0.6%
17	Canada	3	0.5%
18	Greece	3	0.5%
19	Hong Kong	3	0.5%
20	Sweden	3	0.5%
21	United Kingdom	3	0.5%
22	Mongolia	2	0.3%
23	Saudi Arabia	2	0.3%
24	Tanzania, United Republic of	2	0.3%
25	Thailand	2	0.3%
26	Ukraine	2	0.3%
27	Belgium	2	0.3%
28	Italy	2	0.3%
29	Malaysia	1	0.2%
30	Norway	1	0.2%
31	Pakistan	1	0.2%
32	Argentina	1	0.2%
33	Hungary	1	0.2%
34	India	1	0.2%
35	Switzerland	1	0.2%
36	Taiwan	1	0.2%