Rank	Countries/Territories	Count	Percent
1	China	279	34.9%
2	United States	267	33.4%
3	Germany	49	6.1%
4	Japan	28	3.5%
5	Canada	24	3%
6	India	18	2.2%
7	Netherlands	13	1.6%
8	United Kingdom	13	1.6%
9	Singapore	12	1.5%
10	France	11	1.4%
11	Tanzania, United Republic of	10	1.2%
12	Pakistan	6	0.8%
13	Ireland	6	0.8%
14	Cyprus	6	0.8%
15	Finland	6	0.8%
16	Hong Kong	5	0.6%
17	Iraq	4	0.5%
18	Korea, Republic of	4	0.5%
19	Spain	4	0.5%
20	Russia	3	0.4%
21	Morocco	3	0.4%
22	Egypt	3	0.4%
23	Australia	3	0.4%
24	Denmark	2	0.2%
25	Romania	2	0.2%
26	Mongolia	2	0.2%
27	Sweden	2	0.2%
28	Switzerland	2	0.2%
29	Taiwan	2	0.2%
30	Zambia	2	0.2%
31	Tunisia	1	0.1%
32	Turkey	1	0.1%
33	Peru	1	0.1%
34	Philippines	1	0.1%
35	Austria	1	0.1%
36	Brazil	1	0.1%
37	Argentina	1	0.1%
38	Israel	1	0.1%
39	Iran, Islamic Republic of	1	0.1%