Rank	Countries/Territories	Count	Percent
1	United States	873	44.1%
2	China	345	17.4%
3	Germany	149	7.5%
4	United Kingdom	115	5.8%
5	Netherlands	72	3.6%
6	Singapore	65	3.3%
7	Canada	37	1.9%
8	France	28	1.4%
9	Japan	27	1.4%
10	Australia	26	1.3%
11	Mexico	25	1.3%
12	Ireland	24	1.2%
13	India	22	1.1%
14	Norway	18	0.9%
15	Hong Kong	17	0.9%
16	Pakistan	13	0.7%
17	Russia	12	0.6%
18	Turkey	10	0.5%
19	Israel	10	0.5%
20	Taiwan	9	0.5%
21	Peru	7	0.4%
22	New Zealand	7	0.4%
23	Denmark	7	0.4%
24	Cyprus	5	0.3%
25	Sweden	5	0.3%
26	Argentina	4	0.2%
27	Italy	4	0.2%
28	Iran, Islamic Republic of	3	0.2%
29	Kenya	3	0.2%
30	Greece	3	0.2%
31	Latvia	3	0.2%
32	Poland	3	0.2%
33	Saudi Arabia	3	0.2%
34	South Africa	2	0.1%
35	Romania	2	0.1%
36	Switzerland	2	0.1%
37	Thailand	2	0.1%
38	Oman	2	0.1%
39	Brazil	2	0.1%
40	Ghana	2	0.1%
41	Hungary	1	0.1%
42	Finland	1	0.1%
43	Bulgaria	1	0.1%
44	Cameroon	1	0.1%
45	Croatia	1	0.1%
46	Mongolia	1	0.1%
47	Korea, Republic of	1	0.1%
48	Jordan	1	0.1%
49	Iraq	1	0.1%
50	Ukraine	1	0.1%
51	Serbia	1	0.1%