Rank	Countries/Territories	Count	Percent
1	United States	207	30.2%
2	China	174	25.4%
3	Japan	131	19.1%
4	Germany	37	5.4%
5	Netherlands	25	3.6%
6	Singapore	25	3.6%
7	Korea, Republic of	23	3.4%
8	Canada	7	1%
9	Taiwan	5	0.7%
10	Hong Kong	5	0.7%
11	Russia	4	0.6%
12	United Kingdom	4	0.6%
13	Spain	3	0.4%
14	India	3	0.4%
15	Ireland	3	0.4%
16	Argentina	3	0.4%
17	Cyprus	3	0.4%
18	Ecuador	2	0.3%
19	France	2	0.3%
20	Australia	2	0.3%
21	Bangladesh	2	0.3%
22	Brazil	2	0.3%
23	Italy	2	0.3%
24	Tanzania, United Republic of	2	0.3%
25	Pakistan	2	0.3%
26	Slovakia	2	0.3%
27	Mexico	2	0.3%
28	Norway	1	0.1%
29	Colombia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Georgia	1	0.1%