Rank	Countries/Territories	Count	Percent
1	United States	311	42.4%
2	China	199	27.1%
3	Germany	86	11.7%
4	India	23	3.1%
5	France	18	2.5%
6	Japan	17	2.3%
7	Korea, Republic of	10	1.4%
8	Netherlands	10	1.4%
9	Brazil	8	1.1%
10	Turkey	6	0.8%
11	Switzerland	5	0.7%
12	Greece	5	0.7%
13	Ireland	4	0.5%
14	Cyprus	3	0.4%
15	Canada	3	0.4%
16	Australia	3	0.4%
17	Romania	3	0.4%
18	Singapore	3	0.4%
19	Mexico	2	0.3%
20	Argentina	2	0.3%
21	Chile	2	0.3%
22	Hong Kong	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Norway	1	0.1%
25	Lithuania	1	0.1%
26	Egypt	1	0.1%
27	South Africa	1	0.1%
28	Sweden	1	0.1%
29	Taiwan	1	0.1%
30	United Kingdom	1	0.1%