Rank	Countries/Territories	Count	Percent
1	China	318	34.4%
2	United States	317	34.3%
3	Germany	67	7.2%
4	Japan	49	5.3%
5	France	41	4.4%
6	Russia	23	2.5%
7	Canada	21	2.3%
8	Palestine, State of	10	1.1%
9	Spain	9	1%
10	Singapore	8	0.9%
11	United Kingdom	8	0.9%
12	Netherlands	5	0.5%
13	Cyprus	5	0.5%
14	Argentina	4	0.4%
15	Australia	4	0.4%
16	Hong Kong	4	0.4%
17	Ireland	4	0.4%
18	Malaysia	4	0.4%
19	Portugal	3	0.3%
20	Romania	2	0.2%
21	Israel	2	0.2%
22	Mongolia	2	0.2%
23	Nepal	2	0.2%
24	Saudi Arabia	2	0.2%
25	Sweden	2	0.2%
26	Turkey	2	0.2%
27	Ukraine	2	0.2%
28	Viet Nam	1	0.1%
29	Switzerland	1	0.1%
30	Thailand	1	0.1%
31	India	1	0.1%
32	Belgium	1	0.1%