Rank	Countries/Territories	Count	Percent
1	United States	519	40.8%
2	China	387	30.4%
3	Germany	98	7.7%
4	Ireland	42	3.3%
5	Japan	37	2.9%
6	India	33	2.6%
7	Belgium	25	2%
8	Canada	18	1.4%
9	Netherlands	14	1.1%
10	France	11	0.9%
11	Hong Kong	10	0.8%
12	United Kingdom	8	0.6%
13	Australia	7	0.6%
14	Argentina	5	0.4%
15	Spain	5	0.4%
16	Sweden	5	0.4%
17	Singapore	5	0.4%
18	Ghana	4	0.3%
19	Cyprus	4	0.3%
20	Korea, Republic of	3	0.2%
21	Latvia	3	0.2%
22	Malaysia	3	0.2%
23	Saudi Arabia	3	0.2%
24	Ukraine	3	0.2%
25	Taiwan	2	0.2%
26	Turkey	2	0.2%
27	Russia	2	0.2%
28	Jamaica	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Denmark	2	0.2%
31	Greece	2	0.2%
32	Chile	1	0.1%
33	Mongolia	1	0.1%
34	Norway	1	0.1%
35	Philippines	1	0.1%
36	South Africa	1	0.1%