Rank	Countries/Territories	Count	Percent
1	United States	510	40.5%
2	China	317	25.2%
3	Germany	175	13.9%
4		45	3.6%
5	Japan	37	2.9%
6	Canada	20	1.6%
7	France	18	1.4%
8	India	18	1.4%
9	Korea, Republic of	18	1.4%
10	Italy	17	1.4%
11	Australia	12	1%
12	Cyprus	10	0.8%
13	Netherlands	6	0.5%
14	Norway	6	0.5%
15	Iran, Islamic Republic of	5	0.4%
16	Hong Kong	4	0.3%
17	Denmark	4	0.3%
18	Belgium	4	0.3%
19	Argentina	3	0.2%
20	Indonesia	3	0.2%
21	New Zealand	3	0.2%
22	Singapore	3	0.2%
23	South Africa	3	0.2%
24	Sweden	2	0.2%
25	Russia	2	0.2%
26	Turkey	2	0.2%
27	United Kingdom	2	0.2%
28	Israel	2	0.2%
29	Ireland	1	0.1%
30	Brazil	1	0.1%
31	Switzerland	1	0.1%
32	Portugal	1	0.1%
33	Romania	1	0.1%
34	Malaysia	1	0.1%
35	Mongolia	1	0.1%