Rank	Countries/Territories	Count	Percent
1	United States	787	42.4%
2	China	441	23.7%
3	Germany	206	11.1%
4	Japan	127	6.8%
5	Singapore	49	2.6%
6	France	37	2%
7	Canada	34	1.8%
8	Netherlands	32	1.7%
9	Norway	19	1%
10	Mongolia	13	0.7%
11	Slovakia	13	0.7%
12	Korea, Republic of	11	0.6%
13	Colombia	10	0.5%
14	Cyprus	10	0.5%
15	Australia	7	0.4%
16	Hong Kong	6	0.3%
17	Russia	5	0.3%
18	Chile	4	0.2%
19	Denmark	4	0.2%
20	United Kingdom	4	0.2%
21	Ireland	3	0.2%
22	Bulgaria	3	0.2%
23	India	3	0.2%
24	Nigeria	3	0.2%
25	Lithuania	3	0.2%
26	Mauritius	2	0.1%
27	Poland	2	0.1%
28	Qatar	2	0.1%
29	Romania	2	0.1%
30	Saudi Arabia	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Latvia	2	0.1%
33	Argentina	2	0.1%
34	Viet Nam	2	0.1%
35	Spain	1	0.1%
36	Thailand	1	0.1%
37	Ukraine	1	0.1%
38	Moldova, Republic of	1	0.1%
39	Morocco	1	0.1%