Rank	Countries/Territories	Count	Percent
1	China	304	34.7%
2	United States	279	31.8%
3	Germany	69	7.9%
4	Korea, Republic of	44	5%
5	Japan	38	4.3%
6	United Kingdom	21	2.4%
7	Netherlands	13	1.5%
8	Norway	13	1.5%
9	Canada	13	1.5%
10	Iran, Islamic Republic of	11	1.3%
11	Russia	10	1.1%
12	France	8	0.9%
13	Australia	8	0.9%
14	Peru	7	0.8%
15	Singapore	6	0.7%
16	Hong Kong	5	0.6%
17	Poland	4	0.5%
18	Egypt	4	0.5%
19	Taiwan	4	0.5%
20	India	3	0.3%
21	Ukraine	2	0.2%
22	South Africa	2	0.2%
23	Malaysia	2	0.2%
24	Iraq	1	0.1%
25	Romania	1	0.1%
26	Georgia	1	0.1%
27	Belgium	1	0.1%
28	Brazil	1	0.1%
29	Cyprus	1	0.1%