Rank	Countries/Territories	Count	Percent
1	China	412	43.6%
2	United States	292	30.9%
3	Germany	69	7.3%
4	Japan	19	2%
5	Canada	15	1.6%
6	Norway	14	1.5%
7	Iran, Islamic Republic of	13	1.4%
8	Netherlands	11	1.2%
9	Singapore	9	1%
10	Korea, Republic of	7	0.7%
11	Poland	7	0.7%
12	Ireland	7	0.7%
13	India	6	0.6%
14	Cyprus	5	0.5%
15	France	5	0.5%
16	Russia	5	0.5%
17	Taiwan	5	0.5%
18	Brazil	4	0.4%
19	Austria	3	0.3%
20	Jordan	3	0.3%
21	Mexico	3	0.3%
22	United Kingdom	3	0.3%
23	Spain	2	0.2%
24	Sweden	2	0.2%
25	Turkey	2	0.2%
26	Venezuela, Bolivarian Republic of	2	0.2%
27	Qatar	2	0.2%
28	Romania	2	0.2%
29	New Zealand	2	0.2%
30	Hong Kong	2	0.2%
31	Iceland	2	0.2%
32	Bulgaria	2	0.2%
33	Argentina	2	0.2%
34	Australia	1	0.1%
35	Indonesia	1	0.1%
36	Lebanon	1	0.1%
37	Malaysia	1	0.1%
38	Pakistan	1	0.1%