Rank	Countries/Territories	Count	Percent
1	United States	586	42.6%
2	China	429	31.2%
3	Germany	121	8.8%
4	Japan	59	4.3%
5	India	33	2.4%
6	France	17	1.2%
7	Netherlands	17	1.2%
8	Korea, Republic of	13	0.9%
9	Ireland	12	0.9%
10	Australia	11	0.8%
11	Iran, Islamic Republic of	9	0.7%
12	Ukraine	9	0.7%
13	Canada	8	0.6%
14	Hong Kong	5	0.4%
15	Malaysia	5	0.4%
16	United Arab Emirates	4	0.3%
17	Singapore	4	0.3%
18	Norway	3	0.2%
19	United Kingdom	3	0.2%
20	Bosnia and Herzegovina	3	0.2%
21	Lithuania	2	0.1%
22	Iraq	2	0.1%
23	Viet Nam	2	0.1%
24	Saudi Arabia	2	0.1%
25	Senegal	2	0.1%
26	Serbia	2	0.1%
27	Sweden	2	0.1%
28	Taiwan	2	0.1%
29	Uganda	2	0.1%
30	Sri Lanka	1	0.1%
31	Russia	1	0.1%
32	Mexico	1	0.1%
33	Mongolia	1	0.1%
34	Argentina	1	0.1%
35	Greece	1	0.1%
36	Cyprus	1	0.1%