Rank	Countries/Territories	Count	Percent
1	United States	428	38.4%
2	China	266	23.9%
3	Germany	96	8.6%
4	Japan	77	6.9%
5	India	48	4.3%
6	Ireland	21	1.9%
7	Canada	14	1.3%
8	Netherlands	14	1.3%
9	Philippines	11	1%
10	Australia	10	0.9%
11	Ukraine	10	0.9%
12	Cyprus	9	0.8%
13	Egypt	9	0.8%
14	France	9	0.8%
15	Iran, Islamic Republic of	8	0.7%
16	Malaysia	8	0.7%
17	Mexico	8	0.7%
18	Singapore	7	0.6%
19	United Kingdom	6	0.5%
20	Russia	5	0.4%
21	Korea, Republic of	5	0.4%
22	Croatia	4	0.4%
23	Brazil	4	0.4%
24	Viet Nam	4	0.4%
25	Saudi Arabia	3	0.3%
26	Mongolia	3	0.3%
27	Morocco	3	0.3%
28	Portugal	2	0.2%
29	Norway	2	0.2%
30	Pakistan	2	0.2%
31	Argentina	2	0.2%
32	Turkey	2	0.2%
33	United Arab Emirates	2	0.2%
34	Romania	1	0.1%
35	Spain	1	0.1%
36	Switzerland	1	0.1%
37	Syrian Arab Republic	1	0.1%
38	Taiwan	1	0.1%
39	Nepal	1	0.1%
40	Nigeria	1	0.1%
41	Chile	1	0.1%
42	Finland	1	0.1%
43	Israel	1	0.1%
44	Georgia	1	0.1%
45	Hong Kong	1	0.1%