Rank	Countries/Territories	Count	Percent
1	United States	380	42.2%
2	China	229	25.4%
3	Germany	74	8.2%
4	France	28	3.1%
5		17	1.9%
6	Japan	16	1.8%
7	Spain	16	1.8%
8	India	14	1.6%
9	Netherlands	13	1.4%
10	Russia	13	1.4%
11	United Kingdom	12	1.3%
12	Mongolia	12	1.3%
13	Brazil	11	1.2%
14	Italy	8	0.9%
15	Canada	7	0.8%
16	Australia	6	0.7%
17	Singapore	6	0.7%
18	Egypt	5	0.6%
19	Hong Kong	5	0.6%
20	Switzerland	4	0.4%
21	Romania	3	0.3%
22	Ukraine	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Ireland	2	0.2%
25	Cyprus	2	0.2%
26	Belgium	2	0.2%
27	Thailand	2	0.2%
28	Turkey	2	0.2%
29	Peru	2	0.2%
30	Poland	1	0.1%
31	Taiwan	1	0.1%
32	Denmark	1	0.1%
33	Korea, Republic of	1	0.1%