Rank	Countries/Territories	Count	Percent
1	United States	316	28.2%
2	China	192	17.2%
3	Germany	91	8.1%
4	United Kingdom	67	6%
5	India	58	5.2%
6	Canada	46	4.1%
7	Hong Kong	32	2.9%
8	Iran, Islamic Republic of	32	2.9%
9	Brazil	25	2.2%
10	Netherlands	21	1.9%
11	Australia	20	1.8%
12	Pakistan	20	1.8%
13	Japan	18	1.6%
14		17	1.5%
15	Ireland	16	1.4%
16	France	13	1.2%
17	Spain	13	1.2%
18	Sweden	9	0.8%
19	Korea, Republic of	9	0.8%
20	Ukraine	8	0.7%
21	Russia	8	0.7%
22	Malaysia	7	0.6%
23	Czech Republic	6	0.5%
24	Turkey	6	0.5%
25	Singapore	5	0.4%
26	Ecuador	5	0.4%
27	Italy	5	0.4%
28	Nigeria	5	0.4%
29	Norway	4	0.4%
30	Cyprus	4	0.4%
31	Taiwan	4	0.4%
32	Poland	3	0.3%
33	Algeria	3	0.3%
34	Argentina	3	0.3%
35	Bangladesh	3	0.3%
36	New Zealand	3	0.3%
37	Nepal	3	0.3%
38	Mexico	3	0.3%
39	Mongolia	2	0.2%
40	Israel	2	0.2%
41	Egypt	2	0.2%
42	Puerto Rico	2	0.2%
43	Romania	1	0.1%
44	Sri Lanka	1	0.1%
45	United Arab Emirates	1	0.1%
46	Finland	1	0.1%
47	Greece	1	0.1%
48	Iraq	1	0.1%
49	Libya	1	0.1%
50	Lithuania	1	0.1%