Rank	Countries/Territories	Count	Percent
1	United States	316	33.8%
2	China	298	31.9%
3	Germany	107	11.4%
4	India	50	5.3%
5	Korea, Republic of	15	1.6%
6	Netherlands	15	1.6%
7	Japan	14	1.5%
8	France	11	1.2%
9	Tanzania, United Republic of	8	0.9%
10	Norway	7	0.7%
11	Viet Nam	7	0.7%
12	Singapore	7	0.7%
13	Taiwan	4	0.4%
14	Thailand	4	0.4%
15	Ukraine	4	0.4%
16	Macao	4	0.4%
17	Russia	4	0.4%
18	Indonesia	4	0.4%
19	Ireland	4	0.4%
20	Argentina	4	0.4%
21	Australia	3	0.3%
22	Canada	3	0.3%
23	Cyprus	3	0.3%
24	Denmark	3	0.3%
25	Saudi Arabia	3	0.3%
26	United Kingdom	3	0.3%
27	Pakistan	3	0.3%
28	Slovenia	3	0.3%
29	Kuwait	2	0.2%
30	Latvia	2	0.2%
31	Malaysia	2	0.2%
32	Egypt	2	0.2%
33	Hong Kong	2	0.2%
34	Bangladesh	2	0.2%
35	Colombia	2	0.2%
36	Bulgaria	2	0.2%
37	Albania	1	0.1%
38	Belgium	1	0.1%
39	Brazil	1	0.1%
40	Moldova, Republic of	1	0.1%
41	Serbia	1	0.1%
42	Kenya	1	0.1%
43	Philippines	1	0.1%
44	South Africa	1	0.1%