Rank	Countries/Territories	Count	Percent
1	China	332	37.8%
2	United States	326	37.1%
3	Germany	53	6%
4	India	16	1.8%
5	France	16	1.8%
6	Netherlands	12	1.4%
7	Singapore	11	1.3%
8	United Kingdom	10	1.1%
9	Canada	10	1.1%
10	Japan	9	1%
11	Australia	8	0.9%
12	Ukraine	7	0.8%
13	Norway	7	0.8%
14	Russia	5	0.6%
15	Italy	5	0.6%
16	Iran, Islamic Republic of	5	0.6%
17	Ireland	4	0.5%
18	Argentina	4	0.5%
19	Hong Kong	4	0.5%
20	Malaysia	4	0.5%
21	Spain	4	0.5%
22	South Africa	3	0.3%
23	Cyprus	3	0.3%
24	Egypt	3	0.3%
25	Bangladesh	2	0.2%
26	Indonesia	2	0.2%
27	Korea, Republic of	2	0.2%
28	Libya	2	0.2%
29	Mexico	2	0.2%
30	Mongolia	2	0.2%
31	Nigeria	2	0.2%
32	Switzerland	2	0.2%
33	Viet Nam	2	0.2%