Rank	Countries/Territories	Count	Percent
1	United States	589	36.7%
2	China	521	32.5%
3	Germany	136	8.5%
4	Japan	73	4.5%
5	Korea, Republic of	49	3.1%
6	France	25	1.6%
7	Taiwan	24	1.5%
8	India	15	0.9%
9	Netherlands	15	0.9%
10	Egypt	14	0.9%
11	Italy	13	0.8%
12	Australia	11	0.7%
13	Canada	10	0.6%
14	Russia	10	0.6%
15	Singapore	10	0.6%
16	Iran, Islamic Republic of	9	0.6%
17	Ireland	9	0.6%
18	Hong Kong	9	0.6%
19	United Kingdom	8	0.5%
20	Brazil	7	0.4%
21	Spain	5	0.3%
22	Thailand	4	0.2%
23	Cyprus	4	0.2%
24	New Zealand	4	0.2%
25	Norway	3	0.2%
26	Latvia	3	0.2%
27	Czech Republic	3	0.2%
28	Turkey	3	0.2%
29	Sweden	2	0.1%
30	Austria	2	0.1%
31	Luxembourg	2	0.1%
32	Mongolia	2	0.1%
33	Poland	2	0.1%
34	Slovenia	2	0.1%
35	South Africa	1	0.1%
36	Malaysia	1	0.1%
37	Algeria	1	0.1%
38	Colombia	1	0.1%
39	Indonesia	1	0.1%
40	Estonia	1	0.1%
41	Switzerland	1	0.1%