Rank	Countries/Territories	Count	Percent
1	United States	610	40.9%
2	China	295	19.8%
3	Germany	78	5.2%
4	Russia	49	3.3%
5	Ireland	45	3%
6	Japan	42	2.8%
7	Korea, Republic of	37	2.5%
8	France	37	2.5%
9	India	31	2.1%
10	Italy	26	1.7%
11	Canada	23	1.5%
12	Australia	22	1.5%
13	Malaysia	22	1.5%
14		20	1.3%
15	Netherlands	14	0.9%
16	Iran, Islamic Republic of	12	0.8%
17	Portugal	10	0.7%
18	Czech Republic	9	0.6%
19	Singapore	9	0.6%
20	Austria	8	0.5%
21	Switzerland	7	0.5%
22	United Kingdom	7	0.5%
23	Belgium	6	0.4%
24	Brazil	6	0.4%
25	Cyprus	5	0.3%
26	Saudi Arabia	5	0.3%
27	Turkey	5	0.3%
28	Taiwan	5	0.3%
29	Slovakia	5	0.3%
30	Spain	4	0.3%
31	Denmark	4	0.3%
32	Hong Kong	3	0.2%
33	Norway	3	0.2%
34	Pakistan	3	0.2%
35	Israel	3	0.2%
36	Latvia	3	0.2%
37	Thailand	3	0.2%
38	Viet Nam	3	0.2%
39	Sweden	2	0.1%
40	Panama	2	0.1%
41	Indonesia	2	0.1%
42	Costa Rica	2	0.1%
43	Bangladesh	2	0.1%
44	Argentina	2	0.1%
45	Egypt	1	0.1%
46	Mongolia	1	0.1%