Rank	Countries/Territories	Count	Percent
1	United States	436	41.2%
2	China	276	26.1%
3	Germany	97	9.2%
4	Japan	34	3.2%
5	France	21	2%
6	Netherlands	19	1.8%
7	Canada	16	1.5%
8	Italy	16	1.5%
9	Turkey	13	1.2%
10	Singapore	13	1.2%
11	Norway	11	1%
12	Mongolia	10	0.9%
13	Korea, Republic of	10	0.9%
14	India	10	0.9%
15	Chile	10	0.9%
16	Cyprus	8	0.8%
17	Russia	8	0.8%
18	Switzerland	6	0.6%
19	United Kingdom	6	0.6%
20	Malaysia	5	0.5%
21	Peru	5	0.5%
22	Saudi Arabia	4	0.4%
23	Panama	3	0.3%
24	Poland	2	0.2%
25	Mexico	2	0.2%
26	Taiwan	2	0.2%
27	Ukraine	2	0.2%
28	Viet Nam	2	0.2%
29	Kenya	2	0.2%
30	Lithuania	1	0.1%
31	Jordan	1	0.1%
32	Denmark	1	0.1%
33	Ecuador	1	0.1%
34	Argentina	1	0.1%
35	Croatia	1	0.1%
36	Nepal	1	0.1%
37	Romania	1	0.1%