Rank	Countries/Territories	Count	Percent
1	China	641	39.6%
2	United States	553	34.2%
3	Germany	133	8.2%
4	Netherlands	115	7.1%
5	France	42	2.6%
6	Japan	36	2.2%
7	Singapore	21	1.3%
8	United Kingdom	10	0.6%
9	Canada	10	0.6%
10	Ireland	6	0.4%
11	South Africa	5	0.3%
12	Russia	4	0.2%
13	Bangladesh	4	0.2%
14	Korea, Republic of	4	0.2%
15	Hong Kong	3	0.2%
16	Argentina	3	0.2%
17	Bulgaria	3	0.2%
18	Cyprus	3	0.2%
19	Nigeria	3	0.2%
20	Philippines	3	0.2%
21	Romania	3	0.2%
22	Iran, Islamic Republic of	2	0.1%
23	Greece	2	0.1%
24	Malaysia	2	0.1%
25	Mongolia	2	0.1%
26	Latvia	1	0.1%
27	Ecuador	1	0.1%
28	Brazil	1	0.1%
29	Norway	1	0.1%
30	Ukraine	1	0.1%