Rank	Countries/Territories	Count	Percent
1	United States	401	30.3%
2	China	304	23%
3	Germany	190	14.4%
4	France	143	10.8%
5	Netherlands	63	4.8%
6	Ireland	27	2%
7	India	25	1.9%
8	Turkey	20	1.5%
9	United Kingdom	14	1.1%
10	Russia	12	0.9%
11	Korea, Republic of	10	0.8%
12	Canada	10	0.8%
13		8	0.6%
14	Bulgaria	8	0.6%
15	Japan	8	0.6%
16	Spain	8	0.6%
17	Singapore	7	0.5%
18	Philippines	7	0.5%
19	Brazil	6	0.5%
20	Iran, Islamic Republic of	5	0.4%
21	Czech Republic	4	0.3%
22	Chile	4	0.3%
23	Australia	4	0.3%
24	Indonesia	3	0.2%
25	Mauritius	3	0.2%
26	Taiwan	3	0.2%
27	Latvia	3	0.2%
28	Macao	2	0.2%
29	Nigeria	2	0.2%
30	Norway	2	0.2%
31	Ukraine	2	0.2%
32	Cabo Verde	2	0.2%
33	Colombia	2	0.2%
34	Uzbekistan	2	0.2%
35	Viet Nam	2	0.2%
36	Cote D'ivoire	1	0.1%
37	Cyprus	1	0.1%
38	Cambodia	1	0.1%
39	Thailand	1	0.1%
40	Malaysia	1	0.1%
41	Kyrgyzstan	1	0.1%