Rank	Countries/Territories	Count	Percent
1	United States	957	46.8%
2	China	405	19.8%
3	Germany	151	7.4%
4	Korea, Republic of	121	5.9%
5	Canada	110	5.4%
6	Russia	47	2.3%
7	Japan	25	1.2%
8	Netherlands	22	1.1%
9	Latvia	19	0.9%
10	Ireland	17	0.8%
11	Australia	14	0.7%
12	India	13	0.6%
13	Iran, Islamic Republic of	13	0.6%
14	Singapore	11	0.5%
15	United Kingdom	11	0.5%
16	Morocco	10	0.5%
17	Brazil	9	0.4%
18	Hong Kong	8	0.4%
19	Portugal	7	0.3%
20	Italy	6	0.3%
21	France	6	0.3%
22	Cyprus	6	0.3%
23	Spain	6	0.3%
24	Sweden	5	0.2%
25	Taiwan	5	0.2%
26	Ukraine	3	0.1%
27	Switzerland	3	0.1%
28	Egypt	3	0.1%
29	Israel	3	0.1%
30	Peru	3	0.1%
31	Lithuania	2	0.1%
32	Malaysia	2	0.1%
33	Indonesia	2	0.1%
34	Chile	2	0.1%
35	Sri Lanka	2	0.1%
36	Slovakia	2	0.1%
37	Tunisia	2	0.1%
38	Turkey	2	0.1%
39	Saudi Arabia	1	0%
40	Greece	1	0%
41	Finland	1	0%
42	Argentina	1	0%
43	Austria	1	0%
44	New Zealand	1	0%
45	Norway	1	0%
46	Pakistan	1	0%