Rank	Countries/Territories	Count	Percent
1	United States	363	37%
2	China	286	29.2%
3	Germany	78	8%
4	Russia	37	3.8%
5	India	36	3.7%
6	Mexico	21	2.1%
7	Japan	18	1.8%
8	Netherlands	18	1.8%
9	Ireland	15	1.5%
10	Argentina	14	1.4%
11	Canada	13	1.3%
12	Spain	10	1%
13	Australia	7	0.7%
14	Indonesia	6	0.6%
15	Hong Kong	6	0.6%
16	Italy	6	0.6%
17	Korea, Republic of	5	0.5%
18	France	5	0.5%
19	Iran, Islamic Republic of	4	0.4%
20	United Kingdom	4	0.4%
21	Sweden	3	0.3%
22	Singapore	3	0.3%
23	Chile	3	0.3%
24	Costa Rica	2	0.2%
25	Bosnia and Herzegovina	2	0.2%
26	Ecuador	2	0.2%
27	Mongolia	2	0.2%
28	Turkey	2	0.2%
29	Viet Nam	2	0.2%
30	Switzerland	1	0.1%
31	Mauritius	1	0.1%
32	Norway	1	0.1%
33	Romania	1	0.1%
34	Israel	1	0.1%
35	Brazil	1	0.1%
36	Denmark	1	0.1%