Rank	Countries/Territories	Count	Percent
1	China	616	40.3%
2	United States	516	33.7%
3	Germany	175	11.4%
4	Japan	35	2.3%
5	Canada	26	1.7%
6	United Kingdom	17	1.1%
7	India	16	1%
8	France	14	0.9%
9	Norway	13	0.9%
10	Netherlands	11	0.7%
11	Cyprus	11	0.7%
12	Uzbekistan	9	0.6%
13	Hong Kong	8	0.5%
14	Singapore	7	0.5%
15	Taiwan	6	0.4%
16	Poland	6	0.4%
17	Romania	4	0.3%
18	Switzerland	4	0.3%
19	Italy	3	0.2%
20	Malaysia	3	0.2%
21	Indonesia	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Australia	3	0.2%
24	Bangladesh	3	0.2%
25	Belgium	3	0.2%
26	Argentina	2	0.1%
27	Ireland	2	0.1%
28	Korea, Republic of	2	0.1%
29	Latvia	2	0.1%
30	South Africa	2	0.1%
31	Ukraine	1	0.1%
32	Mexico	1	0.1%
33	Jordan	1	0.1%
34	Algeria	1	0.1%