Rank	Countries/Territories	Count	Percent
1	United States	409	40.3%
2	China	203	20%
3	Germany	67	6.6%
4	Canada	44	4.3%
5	Japan	44	4.3%
6	Netherlands	40	3.9%
7	Ireland	31	3.1%
8	United Kingdom	19	1.9%
9	France	17	1.7%
10	Singapore	16	1.6%
11	Mexico	10	1%
12	Russia	9	0.9%
13	Australia	9	0.9%
14	India	8	0.8%
15	Iran, Islamic Republic of	8	0.8%
16	Cyprus	6	0.6%
17	Belgium	5	0.5%
18	Indonesia	5	0.5%
19	Korea, Republic of	5	0.5%
20	Hong Kong	4	0.4%
21	Israel	4	0.4%
22	Malaysia	4	0.4%
23	Brazil	4	0.4%
24	Zambia	4	0.4%
25	Macao	3	0.3%
26	South Africa	3	0.3%
27	Sweden	3	0.3%
28	Turkey	3	0.3%
29	Taiwan	2	0.2%
30	Thailand	2	0.2%
31	Chile	2	0.2%
32	Czech Republic	2	0.2%
33	Argentina	2	0.2%
34	Mauritius	2	0.2%
35	Latvia	2	0.2%
36	Lebanon	1	0.1%
37	Italy	1	0.1%
38	New Zealand	1	0.1%
39	Nigeria	1	0.1%
40	Philippines	1	0.1%
41	Poland	1	0.1%
42	Ghana	1	0.1%
43	Egypt	1	0.1%
44	Finland	1	0.1%
45	Colombia	1	0.1%
46	Croatia	1	0.1%
47	Bangladesh	1	0.1%
48	Barbados	1	0.1%
49	United Arab Emirates	1	0.1%
50	Spain	1	0.1%