Rank	Countries/Territories	Count	Percent
1	United States	594	34.4%
2	China	459	26.6%
3	Germany	135	7.8%
4	India	104	6%
5	Japan	91	5.3%
6	Netherlands	39	2.3%
7	France	35	2%
8	Singapore	29	1.7%
9	Ireland	27	1.6%
10	Tunisia	24	1.4%
11	Australia	20	1.2%
12	United Kingdom	17	1%
13	Canada	14	0.8%
14	Cyprus	12	0.7%
15	Russia	11	0.6%
16	Korea, Republic of	9	0.5%
17	Indonesia	8	0.5%
18	Lithuania	7	0.4%
19	Portugal	6	0.3%
20	Norway	5	0.3%
21	Malaysia	5	0.3%
22	Egypt	5	0.3%
23	Brazil	5	0.3%
24	Thailand	5	0.3%
25	Turkey	5	0.3%
26	Sweden	5	0.3%
27	United Arab Emirates	4	0.2%
28	Iran, Islamic Republic of	4	0.2%
29	Saudi Arabia	4	0.2%
30	Pakistan	3	0.2%
31	Mexico	3	0.2%
32	Albania	3	0.2%
33	Argentina	3	0.2%
34	Hungary	3	0.2%
35	Taiwan	2	0.1%
36	South Africa	2	0.1%
37	Belgium	2	0.1%
38	Costa Rica	2	0.1%
39	Denmark	2	0.1%
40	Ecuador	2	0.1%
41	Ghana	2	0.1%
42	Mongolia	2	0.1%
43	Morocco	1	0.1%
44	Israel	1	0.1%
45	Poland	1	0.1%
46	Romania	1	0.1%
47	Hong Kong	1	0.1%
48	Georgia	1	0.1%
49	Bangladesh	1	0.1%
50	Switzerland	1	0.1%
51	Viet Nam	1	0.1%