Rank	Countries/Territories	Count	Percent
1	United States	257	23.8%
2	China	178	16.5%
3	Germany	78	7.2%
4		54	5%
5	Australia	52	4.8%
6	United Kingdom	50	4.6%
7	Korea, Republic of	39	3.6%
8	India	32	3%
9	Canada	25	2.3%
10	Russia	23	2.1%
11	Indonesia	21	1.9%
12	Iran, Islamic Republic of	18	1.7%
13	Taiwan	18	1.7%
14	France	17	1.6%
15	Singapore	16	1.5%
16	Thailand	13	1.2%
17	Hong Kong	13	1.2%
18	Japan	13	1.2%
19	Romania	12	1.1%
20	Pakistan	10	0.9%
21	Bulgaria	10	0.9%
22	Ireland	9	0.8%
23	Slovakia	6	0.6%
24	Tunisia	6	0.6%
25	Sri Lanka	5	0.5%
26	Sweden	5	0.5%
27	Ukraine	5	0.5%
28	Nepal	5	0.5%
29	Nigeria	5	0.5%
30	Brazil	5	0.5%
31	Cyprus	5	0.5%
32	Egypt	4	0.4%
33	Lebanon	4	0.4%
34	Netherlands	4	0.4%
35	New Zealand	4	0.4%
36	Morocco	4	0.4%
37	Spain	4	0.4%
38	Turkey	4	0.4%
39	Poland	3	0.3%
40	Lithuania	3	0.3%
41	Mexico	3	0.3%
42	Italy	3	0.3%
43	Denmark	3	0.3%
44	Armenia	3	0.3%
45	Bangladesh	2	0.2%
46	Ecuador	2	0.2%
47	Ghana	2	0.2%
48	Jordan	2	0.2%
49	Mongolia	2	0.2%
50	Portugal	2	0.2%
51	Slovenia	2	0.2%
52	South Africa	1	0.1%
53	Saudi Arabia	1	0.1%
54	Qatar	1	0.1%
55	Palestine, State of	1	0.1%
56	Philippines	1	0.1%
57	Norway	1	0.1%
58	Uganda	1	0.1%
59	Kyrgyzstan	1	0.1%
60	Latvia	1	0.1%
61	Luxembourg	1	0.1%
62	Malaysia	1	0.1%
63	Mauritius	1	0.1%
64	Iraq	1	0.1%
65	Greece	1	0.1%
66	Bosnia and Herzegovina	1	0.1%