Rank	Countries/Territories	Count	Percent
1	United States	303	37.3%
2	China	250	30.8%
3	Germany	50	6.2%
4	Japan	24	3%
5	Netherlands	17	2.1%
6	India	16	2%
7	Iran, Islamic Republic of	13	1.6%
8	Canada	10	1.2%
9	France	10	1.2%
10	Chile	9	1.1%
11	Singapore	9	1.1%
12	Hong Kong	8	1%
13	Egypt	7	0.9%
14	Australia	7	0.9%
15	Brazil	7	0.9%
16	Cyprus	5	0.6%
17	Portugal	5	0.6%
18	Thailand	5	0.6%
19	Spain	4	0.5%
20	Ireland	4	0.5%
21	Cameroon	3	0.4%
22	Colombia	3	0.4%
23	Philippines	3	0.4%
24	Turkey	3	0.4%
25	Ukraine	3	0.4%
26	United Kingdom	3	0.4%
27	Bangladesh	2	0.2%
28	Ecuador	2	0.2%
29	Iraq	2	0.2%
30	Israel	2	0.2%
31	Mexico	2	0.2%
32	Moldova, Republic of	2	0.2%
33	Korea, Republic of	2	0.2%
34	Romania	2	0.2%
35	Russia	2	0.2%
36	Peru	2	0.2%
37	Nigeria	2	0.2%
38	Pakistan	1	0.1%
39	New Zealand	1	0.1%
40	Latvia	1	0.1%
41	Libya	1	0.1%
42	Luxembourg	1	0.1%
43	Mongolia	1	0.1%
44	Argentina	1	0.1%
45	Barbados	1	0.1%
46	Croatia	1	0.1%
47	South Africa	1	0.1%