Rank	Countries/Territories	Count	Percent
1	United States	424	35.9%
2	China	391	33.1%
3	Germany	83	7%
4	Korea, Republic of	31	2.6%
5	France	29	2.5%
6	Japan	25	2.1%
7	Canada	25	2.1%
8	United Kingdom	18	1.5%
9	Australia	14	1.2%
10	Russia	13	1.1%
11	Brazil	11	0.9%
12	Netherlands	10	0.8%
13	Iran, Islamic Republic of	9	0.8%
14	India	8	0.7%
15	Cyprus	8	0.7%
16	Taiwan	8	0.7%
17	Tunisia	7	0.6%
18	Ireland	7	0.6%
19	Malaysia	6	0.5%
20	Mexico	5	0.4%
21	Hong Kong	5	0.4%
22	Switzerland	5	0.4%
23	Egypt	4	0.3%
24	Singapore	4	0.3%
25	Spain	3	0.3%
26	Hungary	3	0.3%
27	Algeria	3	0.3%
28	Ukraine	3	0.3%
29	Argentina	2	0.2%
30	Finland	2	0.2%
31	Slovenia	2	0.2%
32	New Zealand	2	0.2%
33	Pakistan	2	0.2%
34	Italy	2	0.2%
35	Mongolia	1	0.1%
36	Romania	1	0.1%
37	Sweden	1	0.1%
38	Ecuador	1	0.1%
39	Indonesia	1	0.1%
40	Chile	1	0.1%
41	Colombia	1	0.1%