Rank	Countries/Territories	Count	Percent
1	United States	774	37.1%
2	China	416	19.9%
3	Germany	134	6.4%
4	United Kingdom	66	3.2%
5	Netherlands	58	2.8%
6	Canada	57	2.7%
7	France	56	2.7%
8	Korea, Republic of	56	2.7%
9	India	55	2.6%
10	Ireland	54	2.6%
11	Japan	48	2.3%
12	Bulgaria	27	1.3%
13	Australia	26	1.2%
14	Ukraine	14	0.7%
15	Taiwan	13	0.6%
16	Cyprus	12	0.6%
17	Indonesia	11	0.5%
18	Singapore	11	0.5%
19	Romania	9	0.4%
20	Thailand	9	0.4%
21	Norway	9	0.4%
22	Nigeria	8	0.4%
23	Latvia	8	0.4%
24	Hong Kong	8	0.4%
25	Argentina	7	0.3%
26	Turkey	7	0.3%
27	Tanzania, United Republic of	6	0.3%
28	Greece	6	0.3%
29	Pakistan	6	0.3%
30	Bangladesh	6	0.3%
31	Brazil	5	0.2%
32	Egypt	5	0.2%
33	Kazakhstan	5	0.2%
34	Serbia	5	0.2%
35	Russia	4	0.2%
36	Slovenia	4	0.2%
37	South Africa	4	0.2%
38	Malaysia	4	0.2%
39	Belarus	4	0.2%
40	Algeria	3	0.1%
41	Mauritius	3	0.1%
42	Mexico	3	0.1%
43	Mongolia	3	0.1%
44	Slovakia	3	0.1%
45	Sri Lanka	3	0.1%
46	Sweden	3	0.1%
47	Spain	2	0.1%
48	Saudi Arabia	2	0.1%
49	Portugal	2	0.1%
50	Morocco	2	0.1%
51	Libya	2	0.1%
52	Philippines	2	0.1%
53	Albania	2	0.1%
54	Croatia	2	0.1%
55	Cambodia	2	0.1%
56	Israel	2	0.1%
57	Italy	2	0.1%
58	Ethiopia	2	0.1%
59	Ghana	2	0.1%
60	Hungary	1	0%
61	Georgia	1	0%
62	Iraq	1	0%
63	Kenya	1	0%
64	Jersey	1	0%
65	Jordan	1	0%
66	Chad	1	0%
67	Colombia	1	0%
68	Armenia	1	0%
69	Azerbaijan	1	0%
70	Poland	1	0%
71	New Zealand	1	0%
72	Kuwait	1	0%
73	Myanmar	1	0%
74	Nepal	1	0%
75	Puerto Rico	1	0%
76	Qatar	1	0%
77	Switzerland	1	0%
78	Trinidad and Tobago	1	0%
79	United Arab Emirates	1	0%
80	Viet Nam	1	0%
81	Yemen	1	0%