Rank	Countries/Territories	Count	Percent
1	Germany	462	26.5%
2	United States	426	24.5%
3	China	367	21.1%
4	Ireland	44	2.5%
5	Netherlands	43	2.5%
6	Russia	41	2.4%
7	Canada	40	2.3%
8	France	33	1.9%
9	United Kingdom	33	1.9%
10	Japan	24	1.4%
11	Sweden	22	1.3%
12	India	21	1.2%
13	Chile	20	1.1%
14	Spain	20	1.1%
15	Ukraine	14	0.8%
16	Brazil	13	0.7%
17	Israel	12	0.7%
18	Italy	10	0.6%
19	Finland	8	0.5%
20		6	0.3%
21	Australia	5	0.3%
22	Czech Republic	5	0.3%
23	Denmark	5	0.3%
24	Hong Kong	5	0.3%
25	Indonesia	5	0.3%
26	Korea, Republic of	4	0.2%
27	Viet Nam	4	0.2%
28	Thailand	4	0.2%
29	Switzerland	4	0.2%
30	Saudi Arabia	3	0.2%
31	Singapore	3	0.2%
32	Peru	3	0.2%
33	Romania	3	0.2%
34	Iran, Islamic Republic of	3	0.2%
35	Iraq	2	0.1%
36	Hungary	2	0.1%
37	Nigeria	2	0.1%
38	Ecuador	2	0.1%
39	Cyprus	2	0.1%
40	Belgium	2	0.1%
41	Argentina	2	0.1%
42	Bulgaria	2	0.1%
43	Slovakia	2	0.1%
44	Taiwan	2	0.1%
45	United Arab Emirates	1	0.1%
46	Benin	1	0.1%
47	Greece	1	0.1%
48	Colombia	1	0.1%
49	Mexico	1	0.1%
50	New Zealand	1	0.1%