Rank	Countries/Territories	Count	Percent
1	United States	496	39.7%
2	China	252	20.2%
3	Germany	67	5.4%
4	Russia	47	3.8%
5	Ireland	45	3.6%
6	France	35	2.8%
7	Korea, Republic of	34	2.7%
8	Italy	25	2%
9	India	24	1.9%
10	Canada	23	1.8%
11	Australia	22	1.8%
12	Malaysia	22	1.8%
13		20	1.6%
14	Netherlands	12	1%
15	Japan	12	1%
16	Singapore	9	0.7%
17	Czech Republic	9	0.7%
18	Austria	8	0.6%
19	Switzerland	7	0.6%
20	United Kingdom	6	0.5%
21	Belgium	6	0.5%
22	Brazil	6	0.5%
23	Iran, Islamic Republic of	6	0.5%
24	Slovakia	5	0.4%
25	Spain	4	0.3%
26	Denmark	4	0.3%
27	Cyprus	4	0.3%
28	Taiwan	4	0.3%
29	Thailand	3	0.2%
30	Viet Nam	3	0.2%
31	Portugal	3	0.2%
32	Hong Kong	3	0.2%
33	Israel	3	0.2%
34	Latvia	3	0.2%
35	Indonesia	2	0.2%
36	Costa Rica	2	0.2%
37	Bangladesh	2	0.2%
38	Argentina	2	0.2%
39	Panama	2	0.2%
40	Turkey	2	0.2%
41	Egypt	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%
44	Mongolia	1	0.1%