Rank	Countries/Territories	Count	Percent
1	United States	588	43.8%
2	China	423	31.5%
3	Germany	117	8.7%
4	France	42	3.1%
5	Australia	20	1.5%
6	Canada	20	1.5%
7	Russia	20	1.5%
8	Korea, Republic of	12	0.9%
9	Japan	11	0.8%
10	Cyprus	10	0.7%
11	Netherlands	10	0.7%
12	Norway	10	0.7%
13	United Kingdom	9	0.7%
14	India	7	0.5%
15	Singapore	6	0.4%
16	Ukraine	5	0.4%
17	Switzerland	4	0.3%
18	Mongolia	4	0.3%
19	Ireland	3	0.2%
20	Hong Kong	3	0.2%
21	Argentina	3	0.2%
22	Bangladesh	2	0.1%
23	Colombia	2	0.1%
24	Indonesia	2	0.1%
25	Latvia	2	0.1%
26	Taiwan	2	0.1%
27	Malaysia	1	0.1%
28	Nigeria	1	0.1%
29	Sweden	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Georgia	1	0.1%
32	Egypt	1	0.1%