Rank	Countries/Territories	Count	Percent
1	United States	520	33.7%
2	China	283	18.4%
3	Germany	107	6.9%
4	Australia	97	6.3%
5	India	72	4.7%
6	United Kingdom	41	2.7%
7	Japan	32	2.1%
8	Mexico	31	2%
9	Netherlands	18	1.2%
10	Serbia	18	1.2%
11	Ireland	17	1.1%
12	Korea, Republic of	15	1%
13	Singapore	15	1%
14	Romania	15	1%
15	South Africa	13	0.8%
16	Indonesia	13	0.8%
17	France	13	0.8%
18	Brazil	12	0.8%
19	Canada	12	0.8%
20	Thailand	12	0.8%
21	Spain	10	0.6%
22	Peru	10	0.6%
23	Poland	10	0.6%
24	Cyprus	10	0.6%
25	Egypt	10	0.6%
26	Turkey	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	Hong Kong	4	0.3%
34	Switzerland	4	0.3%
35	Viet Nam	4	0.3%
36	Sri Lanka	4	0.3%
37	Russia	4	0.3%
38	Kuwait	4	0.3%
39	Israel	4	0.3%
40	Italy	4	0.3%
41	Cambodia	4	0.3%
42	Bosnia and Herzegovina	3	0.2%
43	Czech Republic	3	0.2%
44	Greece	3	0.2%
45	Sweden	3	0.2%
46	Taiwan	3	0.2%
47	Nigeria	3	0.2%
48	Nepal	3	0.2%
49	New Zealand	2	0.1%
50	Morocco	2	0.1%
51	Myanmar	2	0.1%
52	Venezuela, Bolivarian Republic of	2	0.1%
53	Saudi Arabia	2	0.1%
54	Slovakia	2	0.1%
55	Jordan	2	0.1%
56	Kenya	2	0.1%
57	Denmark	2	0.1%
58	Ecuador	2	0.1%
59	Chile	2	0.1%
60	Bangladesh	2	0.1%
61	Belgium	2	0.1%
62	Austria	1	0.1%
63	Croatia	1	0.1%
64	Latvia	1	0.1%
65	Lithuania	1	0.1%
66	El Salvador	1	0.1%
67	Estonia	1	0.1%
68	United Arab Emirates	1	0.1%
69	Mongolia	1	0.1%
70	Norway	1	0.1%
71	Palestine, State of	1	0.1%
72	Panama	1	0.1%