Rank	Countries/Territories	Count	Percent
1	United States	443	37.7%
2	China	398	33.9%
3	Germany	136	11.6%
4	France	36	3.1%
5	Japan	26	2.2%
6	Russia	13	1.1%
7	Italy	11	0.9%
8	Korea, Republic of	10	0.9%
9	Hong Kong	10	0.9%
10	India	10	0.9%
11	Australia	10	0.9%
12	Ireland	9	0.8%
13	Canada	9	0.8%
14	Singapore	7	0.6%
15	Cyprus	6	0.5%
16	Netherlands	5	0.4%
17	Mongolia	4	0.3%
18	United Kingdom	4	0.3%
19	Brazil	4	0.3%
20	Argentina	3	0.3%
21	Bangladesh	2	0.2%
22	Bulgaria	2	0.2%
23	Latvia	2	0.2%
24	Ukraine	2	0.2%
25	Spain	2	0.2%
26	Philippines	2	0.2%
27	Poland	2	0.2%
28	Romania	2	0.2%
29	Slovakia	1	0.1%
30	New Zealand	1	0.1%
31	Taiwan	1	0.1%
32	Azerbaijan	1	0.1%