Rank	Countries/Territories	Count	Percent
1	United States	536	43.2%
2	China	403	32.5%
3	Germany	103	8.3%
4	France	25	2%
5	Japan	19	1.5%
6	Korea, Republic of	18	1.5%
7	Russia	16	1.3%
8	Netherlands	12	1%
9	India	9	0.7%
10	Indonesia	9	0.7%
11	Canada	9	0.7%
12	Australia	9	0.7%
13	Taiwan	8	0.6%
14	Turkey	7	0.6%
15	Ireland	6	0.5%
16	Singapore	6	0.5%
17	Cyprus	6	0.5%
18	Egypt	5	0.4%
19	Hong Kong	5	0.4%
20	Iran, Islamic Republic of	4	0.3%
21	Estonia	3	0.2%
22	Bangladesh	3	0.2%
23	Argentina	3	0.2%
24	Ukraine	3	0.2%
25	Saudi Arabia	3	0.2%
26	Romania	2	0.2%
27	New Zealand	2	0.2%
28	Denmark	2	0.2%
29	Albania	1	0.1%
30	Mongolia	1	0.1%
31	Pakistan	1	0.1%
32	Viet Nam	1	0.1%