Rank	Countries/Territories	Count	Percent
1	United States	390	37.8%
2	China	300	29.1%
3	Germany	79	7.7%
4	Russia	37	3.6%
5	India	36	3.5%
6	Mexico	21	2%
7	Japan	19	1.8%
8	Netherlands	18	1.7%
9	Ireland	15	1.5%
10	Argentina	15	1.5%
11	Canada	13	1.3%
12	Spain	10	1%
13	France	8	0.8%
14	Indonesia	7	0.7%
15	Australia	7	0.7%
16	Italy	7	0.7%
17	Hong Kong	6	0.6%
18	Korea, Republic of	5	0.5%
19	Singapore	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	United Kingdom	4	0.4%
22	Chile	3	0.3%
23	Sweden	3	0.3%
24	Turkey	2	0.2%
25	Viet Nam	2	0.2%
26	Mongolia	2	0.2%
27	Ecuador	2	0.2%
28	Bosnia and Herzegovina	2	0.2%
29	Costa Rica	2	0.2%
30	Cyprus	1	0.1%
31	Denmark	1	0.1%
32	Brazil	1	0.1%
33	Norway	1	0.1%
34	Romania	1	0.1%
35	Mauritius	1	0.1%
36	Israel	1	0.1%
37	Switzerland	1	0.1%