Rank	Countries/Territories	Count	Percent
1	United States	263	32.6%
2	China	206	25.6%
3	Japan	140	17.4%
4	Germany	46	5.7%
5	Netherlands	27	3.3%
6	Singapore	26	3.2%
7	Korea, Republic of	23	2.9%
8	Canada	7	0.9%
9	Russia	5	0.6%
10	Taiwan	5	0.6%
11	Hong Kong	5	0.6%
12	Ireland	5	0.6%
13	United Kingdom	4	0.5%
14	Poland	4	0.5%
15	Spain	3	0.4%
16	India	3	0.4%
17	Argentina	3	0.4%
18	Cyprus	3	0.4%
19	Ecuador	2	0.2%
20	France	2	0.2%
21	Australia	2	0.2%
22	Bangladesh	2	0.2%
23	Brazil	2	0.2%
24	Italy	2	0.2%
25	Tanzania, United Republic of	2	0.2%
26	Slovakia	2	0.2%
27	Pakistan	2	0.2%
28	Mexico	2	0.2%
29	Mongolia	2	0.2%
30	Nepal	2	0.2%
31	Norway	1	0.1%
32	Colombia	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Georgia	1	0.1%