Rank	Countries/Territories	Count	Percent
1	United States	490	42.5%
2	China	426	36.9%
3	Germany	78	6.8%
4	France	36	3.1%
5	Japan	15	1.3%
6	Korea, Republic of	13	1.1%
7	Netherlands	12	1%
8	Singapore	11	1%
9	Romania	10	0.9%
10	Canada	10	0.9%
11	Denmark	10	0.9%
12	United Kingdom	5	0.4%
13	Russia	4	0.3%
14	Cyprus	4	0.3%
15	Australia	4	0.3%
16	Malaysia	3	0.3%
17	India	3	0.3%
18	Iran, Islamic Republic of	2	0.2%
19	Italy	2	0.2%
20	Hungary	2	0.2%
21	Nepal	2	0.2%
22	Argentina	2	0.2%
23	South Africa	2	0.2%
24	Spain	2	0.2%
25	Switzerland	2	0.2%
26	Taiwan	2	0.2%
27	Ukraine	1	0.1%
28	Hong Kong	1	0.1%