Rank	Countries/Territories	Count	Percent
1	United States	314	40.6%
2	China	158	20.4%
3	Germany	66	8.5%
4	Japan	39	5%
5	India	38	4.9%
6	Ireland	17	2.2%
7	Netherlands	11	1.4%
8	Australia	10	1.3%
9	Canada	10	1.3%
10	Philippines	9	1.2%
11	Mexico	8	1%
12	Iran, Islamic Republic of	7	0.9%
13	France	7	0.9%
14	Ukraine	7	0.9%
15	Egypt	6	0.8%
16	Malaysia	6	0.8%
17	Singapore	5	0.6%
18	Korea, Republic of	5	0.6%
19	Russia	5	0.6%
20	United Kingdom	4	0.5%
21	Croatia	4	0.5%
22	Cyprus	4	0.5%
23	Brazil	4	0.5%
24	Morocco	3	0.4%
25	Saudi Arabia	3	0.4%
26	United Arab Emirates	2	0.3%
27	Turkey	2	0.3%
28	Mongolia	2	0.3%
29	Pakistan	2	0.3%
30	Portugal	2	0.3%
31	Romania	1	0.1%
32	Spain	1	0.1%
33	Switzerland	1	0.1%
34	Syrian Arab Republic	1	0.1%
35	Taiwan	1	0.1%
36	Nepal	1	0.1%
37	Nigeria	1	0.1%
38	Norway	1	0.1%
39	Chile	1	0.1%
40	Finland	1	0.1%
41	Georgia	1	0.1%
42	Hong Kong	1	0.1%
43	Israel	1	0.1%