Rank	Countries/Territories	Count	Percent
1	China	513	44.8%
2	United States	349	30.5%
3	Germany	93	8.1%
4	France	44	3.8%
5	Norway	30	2.6%
6	Canada	20	1.7%
7	Japan	16	1.4%
8	Korea, Republic of	13	1.1%
9		12	1%
10	Netherlands	9	0.8%
11	Cyprus	7	0.6%
12	Singapore	4	0.3%
13	United Kingdom	3	0.3%
14	Russia	3	0.3%
15	Hong Kong	3	0.3%
16	India	2	0.2%
17	Iran, Islamic Republic of	2	0.2%
18	Brazil	2	0.2%
19	Bulgaria	2	0.2%
20	Saudi Arabia	2	0.2%
21	Nigeria	2	0.2%
22	Latvia	2	0.2%
23	Italy	2	0.2%
24	Tanzania, United Republic of	2	0.2%
25	Ukraine	2	0.2%
26	Romania	1	0.1%
27	Argentina	1	0.1%
28	Iraq	1	0.1%
29	Ireland	1	0.1%
30	Kenya	1	0.1%
31	Guatemala	1	0.1%