Rank	Countries/Territories	Count	Percent
1	United States	664	46.5%
2	China	447	31.3%
3	Germany	116	8.1%
4	Canada	33	2.3%
5	Japan	23	1.6%
6	Netherlands	22	1.5%
7	Hong Kong	21	1.5%
8	India	17	1.2%
9	Romania	10	0.7%
10	Australia	8	0.6%
11	Spain	7	0.5%
12	Taiwan	6	0.4%
13	United Kingdom	6	0.4%
14	Singapore	5	0.4%
15	Cyprus	5	0.4%
16	Italy	4	0.3%
17	Norway	3	0.2%
18	Turkey	3	0.2%
19	Denmark	3	0.2%
20	Korea, Republic of	3	0.2%
21	Iran, Islamic Republic of	2	0.1%
22	Ireland	2	0.1%
23	Hungary	2	0.1%
24	France	2	0.1%
25	Bangladesh	2	0.1%
26	Argentina	2	0.1%
27	Ukraine	2	0.1%
28	Qatar	2	0.1%
29	South Africa	2	0.1%
30	Russia	1	0.1%
31	Serbia	1	0.1%
32	Poland	1	0.1%
33	Greece	1	0.1%