Rank	Countries/Territories	Count	Percent
1	United States	556	35.8%
2	China	394	25.3%
3	Germany	161	10.4%
4	Netherlands	67	4.3%
5	United Kingdom	39	2.5%
6	Japan	36	2.3%
7	India	33	2.1%
8	France	23	1.5%
9	Russia	23	1.5%
10	Ireland	18	1.2%
11	Norway	16	1%
12	Canada	15	1%
13	Korea, Republic of	14	0.9%
14	Cyprus	13	0.8%
15	Hong Kong	12	0.8%
16	Austria	11	0.7%
17	Australia	9	0.6%
18	Czech Republic	9	0.6%
19	Egypt	9	0.6%
20	Iran, Islamic Republic of	9	0.6%
21	Portugal	9	0.6%
22	Taiwan	7	0.5%
23	Italy	7	0.5%
24	Singapore	6	0.4%
25	Slovakia	6	0.4%
26	Denmark	5	0.3%
27	Brazil	5	0.3%
28	Argentina	4	0.3%
29	Bulgaria	3	0.2%
30	Pakistan	3	0.2%
31	Turkey	3	0.2%
32	Viet Nam	3	0.2%
33	Spain	2	0.1%
34	Saudi Arabia	2	0.1%
35	Peru	2	0.1%
36	Malaysia	2	0.1%
37	Moldova, Republic of	2	0.1%
38	Chile	2	0.1%
39	Bangladesh	2	0.1%
40	Ecuador	2	0.1%
41	Croatia	1	0.1%
42	Luxembourg	1	0.1%
43	New Zealand	1	0.1%
44	Kenya	1	0.1%
45	Greece	1	0.1%
46	Serbia	1	0.1%
47	Qatar	1	0.1%
48	Sweden	1	0.1%
49	Ukraine	1	0.1%
50	Tanzania, United Republic of	1	0.1%
51	Thailand	1	0.1%