Rank	Countries/Territories	Count	Percent
1	United States	438	37.2%
2	China	279	23.7%
3	Germany	96	8.2%
4	Netherlands	60	5.1%
5	United Kingdom	36	3.1%
6	Japan	27	2.3%
7	India	27	2.3%
8	France	21	1.8%
9	Russia	16	1.4%
10	Norway	16	1.4%
11	Ireland	14	1.2%
12	Canada	14	1.2%
13	Hong Kong	12	1%
14	Korea, Republic of	11	0.9%
15	Australia	9	0.8%
16	Cyprus	9	0.8%
17	Egypt	9	0.8%
18	Czech Republic	8	0.7%
19	Portugal	8	0.7%
20	Iran, Islamic Republic of	7	0.6%
21	Italy	6	0.5%
22	Singapore	6	0.5%
23	Slovakia	6	0.5%
24	Denmark	5	0.4%
25	Austria	5	0.4%
26	Brazil	4	0.3%
27	Argentina	4	0.3%
28	Ecuador	2	0.2%
29	Malaysia	2	0.2%
30	Moldova, Republic of	2	0.2%
31	Peru	2	0.2%
32	Saudi Arabia	2	0.2%
33	Viet Nam	2	0.2%
34	Serbia	1	0.1%
35	Qatar	1	0.1%
36	New Zealand	1	0.1%
37	Luxembourg	1	0.1%
38	Kenya	1	0.1%
39	Sweden	1	0.1%
40	Taiwan	1	0.1%
41	Tanzania, United Republic of	1	0.1%
42	Thailand	1	0.1%
43	Turkey	1	0.1%
44	Ukraine	1	0.1%
45	Greece	1	0.1%