Rank	Countries/Territories	Count	Percent
1	United States	522	39.5%
2	China	381	28.8%
3	Germany	149	11.3%
4	France	56	4.2%
5		51	3.9%
6	Russia	28	2.1%
7	Canada	25	1.9%
8	Netherlands	14	1.1%
9	Cyprus	13	1%
10	Japan	11	0.8%
11	India	8	0.6%
12	Norway	8	0.6%
13	Argentina	6	0.5%
14	Australia	5	0.4%
15	United Arab Emirates	5	0.4%
16	Viet Nam	4	0.3%
17	Korea, Republic of	4	0.3%
18	Italy	3	0.2%
19	United Kingdom	3	0.2%
20	Taiwan	3	0.2%
21	Philippines	3	0.2%
22	Singapore	3	0.2%
23	Spain	2	0.2%
24	Thailand	2	0.2%
25	Mongolia	2	0.2%
26	Greece	2	0.2%
27	Bulgaria	2	0.2%
28	Costa Rica	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Malaysia	1	0.1%
31	Nepal	1	0.1%
32	Ukraine	1	0.1%
33	Sweden	1	0.1%
34	Portugal	1	0.1%