Rank	Countries/Territories	Count	Percent
1	United States	598	45.8%
2	China	254	19.5%
3	Germany	132	10.1%
4	France	51	3.9%
5	Korea, Republic of	43	3.3%
6	Canada	40	3.1%
7	Netherlands	31	2.4%
8	Japan	26	2%
9	Australia	16	1.2%
10	India	15	1.1%
11	Iran, Islamic Republic of	12	0.9%
12	Singapore	11	0.8%
13	Taiwan	9	0.7%
14	Hong Kong	9	0.7%
15	Saudi Arabia	7	0.5%
16	Cyprus	6	0.5%
17	Brazil	5	0.4%
18	Ireland	5	0.4%
19	Sweden	5	0.4%
20	United Kingdom	4	0.3%
21	Poland	4	0.3%
22	Latvia	3	0.2%
23	Bangladesh	3	0.2%
24	Barbados	2	0.2%
25	Austria	2	0.2%
26	Jordan	2	0.2%
27	New Zealand	2	0.2%
28	Nigeria	2	0.2%
29	Switzerland	2	0.2%
30	Ukraine	1	0.1%
31	Russia	1	0.1%
32	South Africa	1	0.1%
33	Mexico	1	0.1%