Rank	Countries/Territories	Count	Percent
1	China	439	32.4%
2	United States	435	32.1%
3	Germany	207	15.3%
4	Japan	92	6.8%
5	Canada	44	3.2%
6	Russia	22	1.6%
7	Singapore	20	1.5%
8	Norway	15	1.1%
9	Netherlands	11	0.8%
10	France	11	0.8%
11	Hong Kong	10	0.7%
12	Australia	8	0.6%
13	United Kingdom	8	0.6%
14	India	4	0.3%
15	Bangladesh	3	0.2%
16	Argentina	3	0.2%
17	Ukraine	3	0.2%
18	New Zealand	2	0.1%
19	Spain	2	0.1%
20	Taiwan	2	0.1%
21	Iran, Islamic Republic of	2	0.1%
22	Ireland	2	0.1%
23	Italy	2	0.1%
24	Mexico	2	0.1%
25	Cyprus	2	0.1%
26	Czech Republic	1	0.1%
27	Korea, Republic of	1	0.1%
28	Lebanon	1	0.1%
29	Malaysia	1	0.1%
30	Poland	1	0.1%
31	Romania	1	0.1%