Rank	Countries/Territories	Count	Percent
1	United States	503	34.2%
2	China	266	18.1%
3	Germany	93	6.3%
4	Australia	91	6.2%
5	India	71	4.8%
6	United Kingdom	41	2.8%
7	Mexico	31	2.1%
8	Japan	30	2%
9	Netherlands	18	1.2%
10	Serbia	18	1.2%
11	Ireland	17	1.2%
12	Korea, Republic of	15	1%
13	Singapore	15	1%
14	Romania	15	1%
15	South Africa	13	0.9%
16	Indonesia	13	0.9%
17	Brazil	12	0.8%
18	Canada	12	0.8%
19	Thailand	12	0.8%
20	Spain	10	0.7%
21	Peru	10	0.7%
22	Cyprus	10	0.7%
23	Poland	9	0.6%
24	Turkey	8	0.5%
25	Egypt	8	0.5%
26	France	8	0.5%
27	Malaysia	7	0.5%
28	Iran, Islamic Republic of	6	0.4%
29	Argentina	6	0.4%
30	Ethiopia	5	0.3%
31	Philippines	5	0.3%
32	Pakistan	4	0.3%
33	Viet Nam	4	0.3%
34	Sri Lanka	4	0.3%
35	Switzerland	4	0.3%
36	Israel	4	0.3%
37	Italy	4	0.3%
38	Hong Kong	4	0.3%
39	Kuwait	4	0.3%
40	Cambodia	4	0.3%
41	Bosnia and Herzegovina	3	0.2%
42	Greece	3	0.2%
43	Taiwan	3	0.2%
44	Sweden	3	0.2%
45	Nepal	3	0.2%
46	Nigeria	3	0.2%
47	New Zealand	2	0.1%
48	Morocco	2	0.1%
49	Myanmar	2	0.1%
50	Slovakia	2	0.1%
51	Venezuela, Bolivarian Republic of	2	0.1%
52	Saudi Arabia	2	0.1%
53	Jordan	2	0.1%
54	Kenya	2	0.1%
55	Bangladesh	2	0.1%
56	Belgium	2	0.1%
57	Denmark	2	0.1%
58	Ecuador	2	0.1%
59	Chile	2	0.1%
60	Croatia	1	0.1%
61	El Salvador	1	0.1%
62	Estonia	1	0.1%
63	Austria	1	0.1%
64	Latvia	1	0.1%
65	Lithuania	1	0.1%
66	United Arab Emirates	1	0.1%
67	Mongolia	1	0.1%
68	Norway	1	0.1%
69	Russia	1	0.1%
70	Palestine, State of	1	0.1%
71	Panama	1	0.1%