Rank	Countries/Territories	Count	Percent
1	China	439	42.1%
2	United States	348	33.4%
3	Germany	65	6.2%
4	Japan	33	3.2%
5	Russia	22	2.1%
6	Canada	16	1.5%
7	France	13	1.2%
8	India	11	1.1%
9	Korea, Republic of	10	1%
10	Viet Nam	10	1%
11	United Kingdom	9	0.9%
12	Netherlands	9	0.9%
13	Brazil	7	0.7%
14	Greece	5	0.5%
15	Singapore	5	0.5%
16	Portugal	4	0.4%
17	Ukraine	3	0.3%
18	Argentina	3	0.3%
19	Malaysia	3	0.3%
20	Indonesia	3	0.3%
21	Iran, Islamic Republic of	2	0.2%
22	Mongolia	2	0.2%
23	Croatia	2	0.2%
24	Cyprus	2	0.2%
25	Ecuador	2	0.2%
26	Taiwan	2	0.2%
27	Uruguay	2	0.2%
28	Peru	2	0.2%
29	Romania	1	0.1%
30	Norway	1	0.1%
31	Pakistan	1	0.1%
32	Slovakia	1	0.1%
33	Switzerland	1	0.1%
34	Australia	1	0.1%
35	Bangladesh	1	0.1%
36	Italy	1	0.1%