Rank	Countries/Territories	Count	Percent
1	United States	352	37.6%
2	China	189	20.2%
3	Germany	113	12.1%
4	Japan	40	4.3%
5	Russia	35	3.7%
6	Singapore	28	3%
7	India	26	2.8%
8	Netherlands	23	2.5%
9	Iran, Islamic Republic of	19	2%
10	Canada	16	1.7%
11	Korea, Republic of	10	1.1%
12	France	9	1%
13	Argentina	9	1%
14	Thailand	8	0.9%
15	Italy	7	0.7%
16	Australia	6	0.6%
17	Cyprus	4	0.4%
18	Ukraine	4	0.4%
19	Mexico	4	0.4%
20	Portugal	4	0.4%
21	Romania	4	0.4%
22	Sweden	3	0.3%
23	Bangladesh	3	0.3%
24	Ireland	3	0.3%
25	Greece	2	0.2%
26	Brazil	2	0.2%
27	United Kingdom	2	0.2%
28	Norway	2	0.2%
29	Mongolia	2	0.2%
30	Macao	2	0.2%
31	Spain	1	0.1%
32	Bulgaria	1	0.1%
33	Dominican Republic	1	0.1%
34	Hong Kong	1	0.1%
35	Hungary	1	0.1%
36	Jordan	1	0.1%