Rank	Countries/Territories	Count	Percent
1	United States	226	23.1%
2	China	154	15.8%
3	Germany	68	7%
4		54	5.5%
5	Australia	52	5.3%
6	United Kingdom	46	4.7%
7	Korea, Republic of	39	4%
8	India	32	3.3%
9	Canada	25	2.6%
10	Indonesia	18	1.8%
11	Russia	17	1.7%
12	Singapore	16	1.6%
13	Iran, Islamic Republic of	16	1.6%
14	France	15	1.5%
15	Hong Kong	13	1.3%
16	Thailand	13	1.3%
17	Taiwan	12	1.2%
18	Romania	12	1.2%
19	Japan	12	1.2%
20	Bulgaria	10	1%
21	Ireland	9	0.9%
22	Slovakia	6	0.6%
23	Pakistan	6	0.6%
24	Tunisia	6	0.6%
25	Ukraine	5	0.5%
26	Sri Lanka	5	0.5%
27	Nigeria	5	0.5%
28	Nepal	5	0.5%
29	Brazil	5	0.5%
30	Cyprus	5	0.5%
31	Egypt	4	0.4%
32	Lebanon	4	0.4%
33	New Zealand	4	0.4%
34	Spain	4	0.4%
35	Morocco	3	0.3%
36	Netherlands	3	0.3%
37	Sweden	3	0.3%
38	Turkey	3	0.3%
39	Lithuania	3	0.3%
40	Mexico	3	0.3%
41	Italy	3	0.3%
42	Denmark	3	0.3%
43	Armenia	3	0.3%
44	Bangladesh	2	0.2%
45	Ecuador	2	0.2%
46	Ghana	2	0.2%
47	Jordan	2	0.2%
48	Mongolia	2	0.2%
49	Poland	2	0.2%
50	Slovenia	2	0.2%
51	South Africa	1	0.1%
52	Qatar	1	0.1%
53	Norway	1	0.1%
54	Palestine, State of	1	0.1%
55	Philippines	1	0.1%
56	Uganda	1	0.1%
57	Kyrgyzstan	1	0.1%
58	Luxembourg	1	0.1%
59	Malaysia	1	0.1%
60	Mauritius	1	0.1%
61	Iraq	1	0.1%
62	Greece	1	0.1%
63	Bosnia and Herzegovina	1	0.1%