Rank	Countries/Territories	Count	Percent
1	United States	520	38.2%
2	China	457	33.6%
3	Germany	127	9.3%
4	France	44	3.2%
5	Hong Kong	31	2.3%
6	Canada	24	1.8%
7	Australia	23	1.7%
8	Japan	21	1.5%
9	Russia	20	1.5%
10	Netherlands	11	0.8%
11	United Kingdom	11	0.8%
12	Korea, Republic of	9	0.7%
13	Norway	7	0.5%
14	Singapore	6	0.4%
15	Latvia	6	0.4%
16	Cyprus	5	0.4%
17	Hungary	5	0.4%
18	India	5	0.4%
19	Ireland	4	0.3%
20	Ukraine	4	0.3%
21	Taiwan	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Denmark	3	0.2%
24	Indonesia	2	0.1%
25	Malaysia	2	0.1%
26	Sweden	2	0.1%
27	Switzerland	1	0.1%
28	Spain	1	0.1%
29	Pakistan	1	0.1%
30	Mongolia	1	0.1%
31	Argentina	1	0.1%