Rank	Countries/Territories	Count	Percent
1	United States	558	43%
2	China	386	29.8%
3	Germany	105	8.1%
4	Japan	57	4.4%
5	France	41	3.2%
6	Singapore	17	1.3%
7	United Kingdom	16	1.2%
8	Russia	13	1%
9	Ukraine	12	0.9%
10	Netherlands	12	0.9%
11	Canada	12	0.9%
12	Cyprus	8	0.6%
13	Norway	8	0.6%
14	Hong Kong	7	0.5%
15	India	6	0.5%
16	Australia	6	0.5%
17	Romania	5	0.4%
18	Argentina	4	0.3%
19	Korea, Republic of	4	0.3%
20	Mongolia	4	0.3%
21	Israel	3	0.2%
22	Malaysia	3	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Hungary	2	0.2%
25	Brazil	2	0.2%
26	Turkey	2	0.2%
27	Switzerland	1	0.1%
28	Bangladesh	1	0.1%