Rank	Countries/Territories	Count	Percent
1	United States	671	49.5%
2	China	151	11.1%
3	Germany	116	8.6%
4	United Kingdom	46	3.4%
5	Romania	30	2.2%
6	Japan	29	2.1%
7	India	28	2.1%
8	Netherlands	22	1.6%
9	Canada	21	1.5%
10	Australia	17	1.3%
11	Ireland	16	1.2%
12	Singapore	15	1.1%
13	Russia	13	1%
14	Mexico	13	1%
15	Spain	11	0.8%
16	Ukraine	11	0.8%
17	Brazil	11	0.8%
18	Egypt	10	0.7%
19	Cyprus	10	0.7%
20	France	9	0.7%
21	Argentina	8	0.6%
22	Finland	6	0.4%
23	New Zealand	6	0.4%
24	Turkey	5	0.4%
25	Nigeria	4	0.3%
26	Saudi Arabia	4	0.3%
27	Hungary	4	0.3%
28	Iraq	4	0.3%
29	Italy	4	0.3%
30	Greece	4	0.3%
31	Belgium	3	0.2%
32	Czech Republic	3	0.2%
33	Indonesia	3	0.2%
34	Slovakia	3	0.2%
35	Viet Nam	3	0.2%
36	Tunisia	2	0.1%
37	Switzerland	2	0.1%
38	Taiwan	2	0.1%
39	Norway	2	0.1%
40	Pakistan	2	0.1%
41	Philippines	2	0.1%
42	Georgia	2	0.1%
43	Jordan	2	0.1%
44	Kenya	2	0.1%
45	Korea, Republic of	2	0.1%
46	Denmark	2	0.1%
47	Guatemala	2	0.1%
48	Hong Kong	2	0.1%
49	Ethiopia	1	0.1%
50	Austria	1	0.1%
51	Kuwait	1	0.1%
52	Lebanon	1	0.1%
53	Malaysia	1	0.1%
54	Malta	1	0.1%
55	Kazakhstan	1	0.1%
56	Iran, Islamic Republic of	1	0.1%
57	Israel	1	0.1%
58	Poland	1	0.1%
59	Mongolia	1	0.1%
60	Nepal	1	0.1%
61	Thailand	1	0.1%
62	South Africa	1	0.1%
63	United Arab Emirates	1	0.1%