Rank	Countries/Territories	Count	Percent
1	United States	506	43.8%
2	China	301	26.1%
3	Germany	128	11.1%
4	India	28	2.4%
5	Netherlands	27	2.3%
6	Norway	21	1.8%
7	France	18	1.6%
8	Pakistan	16	1.4%
9	Ireland	11	1%
10	Russia	10	0.9%
11	Australia	8	0.7%
12	Canada	6	0.5%
13	Cyprus	6	0.5%
14	United Kingdom	6	0.5%
15	Japan	5	0.4%
16	Singapore	4	0.3%
17	Korea, Republic of	4	0.3%
18	Ukraine	4	0.3%
19	Malaysia	3	0.3%
20	New Zealand	3	0.3%
21	Switzerland	3	0.3%
22	Bangladesh	3	0.3%
23	Bulgaria	3	0.3%
24	Argentina	2	0.2%
25	Ethiopia	2	0.2%
26	Jordan	2	0.2%
27	Kenya	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Syrian Arab Republic	2	0.2%
30	Spain	2	0.2%
31	Sweden	2	0.2%
32	Poland	2	0.2%
33	Mauritius	2	0.2%
34	Lithuania	1	0.1%
35	Nigeria	1	0.1%
36	Peru	1	0.1%
37	South Africa	1	0.1%
38	Thailand	1	0.1%
39	Iraq	1	0.1%
40	Greece	1	0.1%
41	Italy	1	0.1%
42	Egypt	1	0.1%
43	Chile	1	0.1%