Rank	Countries/Territories	Count	Percent
1	China	366	35.1%
2	United States	333	31.9%
3	Germany	116	11.1%
4	Japan	44	4.2%
5	Singapore	30	2.9%
6	Netherlands	16	1.5%
7	United Kingdom	15	1.4%
8	France	12	1.2%
9	Australia	6	0.6%
10	Ireland	6	0.6%
11	Turkey	6	0.6%
12	Ukraine	5	0.5%
13	Viet Nam	5	0.5%
14	Taiwan	5	0.5%
15	Pakistan	5	0.5%
16	Cyprus	5	0.5%
17	Korea, Republic of	5	0.5%
18	Hong Kong	5	0.5%
19	Denmark	4	0.4%
20	Moldova, Republic of	4	0.4%
21	New Zealand	4	0.4%
22	Russia	4	0.4%
23	Poland	4	0.4%
24	Philippines	3	0.3%
25	Nigeria	3	0.3%
26	Bulgaria	3	0.3%
27	Canada	3	0.3%
28	Bangladesh	2	0.2%
29	Belgium	2	0.2%
30	Brazil	2	0.2%
31	Indonesia	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Mexico	2	0.2%
34	Argentina	2	0.2%
35	Portugal	2	0.2%
36	Romania	2	0.2%
37	South Africa	2	0.2%
38	Spain	2	0.2%
39	Oman	1	0.1%
40	Mongolia	1	0.1%
41	Paraguay	1	0.1%
42	Vanuatu	1	0.1%