Rank	Countries/Territories	Count	Percent
1	China	208	38.3%
2	United States	158	29.1%
3	Germany	61	11.2%
4	Canada	13	2.4%
5	Norway	13	2.4%
6	Ukraine	12	2.2%
7	Netherlands	10	1.8%
8	Japan	7	1.3%
9	Russia	6	1.1%
10	India	6	1.1%
11	Iran, Islamic Republic of	6	1.1%
12	Brazil	5	0.9%
13	United Kingdom	5	0.9%
14	Ireland	4	0.7%
15	Hong Kong	3	0.6%
16	France	3	0.6%
17	Ecuador	3	0.6%
18	Argentina	2	0.4%
19	Australia	2	0.4%
20	Denmark	2	0.4%
21	Taiwan	2	0.4%
22	Thailand	2	0.4%
23	Portugal	2	0.4%
24	Romania	1	0.2%
25	Singapore	1	0.2%
26	Poland	1	0.2%
27	Turkey	1	0.2%
28	Viet Nam	1	0.2%
29	Italy	1	0.2%
30	Egypt	1	0.2%
31	Cyprus	1	0.2%