Rank	Countries/Territories	Count	Percent
1	United States	456	43.8%
2	China	321	30.9%
3	Germany	85	8.2%
4	France	22	2.1%
5	Japan	17	1.6%
6	Korea, Republic of	16	1.5%
7	Russia	16	1.5%
8	Netherlands	12	1.2%
9	Indonesia	9	0.9%
10	Canada	9	0.9%
11	Australia	9	0.9%
12	Taiwan	8	0.8%
13	Turkey	7	0.7%
14	Cyprus	5	0.5%
15	Egypt	5	0.5%
16	Hong Kong	5	0.5%
17	India	5	0.5%
18	Iran, Islamic Republic of	4	0.4%
19	Ireland	4	0.4%
20	Estonia	3	0.3%
21	Argentina	3	0.3%
22	Ukraine	3	0.3%
23	Saudi Arabia	3	0.3%
24	Singapore	3	0.3%
25	New Zealand	2	0.2%
26	Denmark	2	0.2%
27	Albania	1	0.1%
28	Bangladesh	1	0.1%
29	Mongolia	1	0.1%
30	Pakistan	1	0.1%
31	Romania	1	0.1%
32	Viet Nam	1	0.1%