Rank	Countries/Territories	Count	Percent
1	United States	302	32.5%
2	China	280	30.2%
3	Germany	67	7.2%
4	India	49	5.3%
5	Netherlands	32	3.4%
6	United Kingdom	26	2.8%
7	Japan	14	1.5%
8	France	11	1.2%
9	Russia	11	1.2%
10	Switzerland	10	1.1%
11	Canada	10	1.1%
12	Singapore	9	1%
13	Ireland	8	0.9%
14	Australia	7	0.8%
15	Hong Kong	7	0.8%
16	Jordan	7	0.8%
17	Korea, Republic of	6	0.6%
18	Malaysia	6	0.6%
19	Philippines	6	0.6%
20	Poland	5	0.5%
21	Romania	5	0.5%
22	Slovakia	4	0.4%
23	Mexico	3	0.3%
24	Oman	3	0.3%
25	Lithuania	3	0.3%
26	Bangladesh	3	0.3%
27	Croatia	3	0.3%
28	Cyprus	2	0.2%
29	Chile	2	0.2%
30	Hungary	2	0.2%
31	Argentina	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Pakistan	2	0.2%
34	Spain	2	0.2%
35	Portugal	2	0.2%
36	Ukraine	2	0.2%
37	United Arab Emirates	2	0.2%
38	Uzbekistan	1	0.1%
39	Togo	1	0.1%
40	Turkey	1	0.1%
41	Uganda	1	0.1%
42	Iraq	1	0.1%
43	Lao People's Democratic Republic	1	0.1%
44	Lebanon	1	0.1%
45	Bulgaria	1	0.1%
46	Czech Republic	1	0.1%
47	Egypt	1	0.1%
48	Finland	1	0.1%