Rank	Countries/Territories	Count	Percent
1	United States	442	38.6%
2	China	363	31.7%
3	Germany	110	9.6%
4	Japan	34	3%
5	India	29	2.5%
6	France	28	2.4%
7	Hong Kong	23	2%
8	Russia	12	1%
9	Netherlands	12	1%
10	Korea, Republic of	11	1%
11	Brazil	8	0.7%
12	Senegal	7	0.6%
13	Ireland	6	0.5%
14	Turkey	6	0.5%
15	Switzerland	5	0.4%
16	Singapore	5	0.4%
17	Canada	5	0.4%
18	Greece	5	0.4%
19	Argentina	4	0.3%
20	Australia	4	0.3%
21	Cyprus	4	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	Romania	3	0.3%
24	Sweden	3	0.3%
25	Mexico	2	0.2%
26	Denmark	2	0.2%
27	Chile	2	0.2%
28	Latvia	2	0.2%
29	Lithuania	1	0.1%
30	Egypt	1	0.1%
31	South Africa	1	0.1%
32	Norway	1	0.1%
33	Taiwan	1	0.1%
34	United Kingdom	1	0.1%