Rank	Countries/Territories	Count	Percent
1	China	228	34.9%
2	United States	167	25.5%
3	Germany	94	14.4%
4	Netherlands	19	2.9%
5	Canada	16	2.4%
6	India	12	1.8%
7	Ireland	9	1.4%
8	Czech Republic	8	1.2%
9	Japan	8	1.2%
10	France	7	1.1%
11	Russia	7	1.1%
12	Australia	7	1.1%
13	Brazil	7	1.1%
14	Israel	7	1.1%
15	Cyprus	6	0.9%
16	Korea, Republic of	6	0.9%
17	Hong Kong	5	0.8%
18	Egypt	4	0.6%
19	Nigeria	4	0.6%
20	South Africa	4	0.6%
21	Saudi Arabia	3	0.5%
22	Senegal	3	0.5%
23	Tanzania, United Republic of	3	0.5%
24	Singapore	2	0.3%
25	Romania	2	0.3%
26	Pakistan	2	0.3%
27	Iran, Islamic Republic of	2	0.3%
28	Iraq	1	0.2%
29	Italy	1	0.2%
30	Jamaica	1	0.2%
31	Chile	1	0.2%
32	Philippines	1	0.2%
33	Norway	1	0.2%
34	Mexico	1	0.2%
35	Turkey	1	0.2%
36	Ukraine	1	0.2%
37	United Kingdom	1	0.2%
38	Taiwan	1	0.2%
39	Viet Nam	1	0.2%