Rank	Countries/Territories	Count	Percent
1	United States	771	39.1%
2	China	450	22.8%
3	Germany	208	10.5%
4	France	71	3.6%
5	United Kingdom	60	3%
6	Netherlands	43	2.2%
7	Canada	29	1.5%
8	Japan	26	1.3%
9	Ireland	24	1.2%
10	India	24	1.2%
11	Russia	24	1.2%
12	Singapore	17	0.9%
13	Italy	16	0.8%
14	Australia	16	0.8%
15	Sweden	14	0.7%
16	Brazil	13	0.7%
17	Iran, Islamic Republic of	12	0.6%
18	Nigeria	12	0.6%
19	Turkey	11	0.6%
20	Korea, Republic of	11	0.6%
21	Egypt	10	0.5%
22	Denmark	9	0.5%
23	Poland	9	0.5%
24	Romania	7	0.4%
25	Pakistan	5	0.3%
26	Saudi Arabia	5	0.3%
27	Taiwan	5	0.3%
28	Cyprus	5	0.3%
29	Czech Republic	5	0.3%
30	Finland	5	0.3%
31	Hong Kong	5	0.3%
32	Hungary	4	0.2%
33	Israel	4	0.2%
34	South Africa	4	0.2%
35	Spain	4	0.2%
36	Malaysia	3	0.2%
37	Belgium	3	0.2%
38	Algeria	2	0.1%
39	Colombia	2	0.1%
40	Malta	2	0.1%
41	Mauritius	2	0.1%
42	Ghana	2	0.1%
43	Indonesia	2	0.1%
44	Tunisia	2	0.1%
45	Switzerland	2	0.1%
46	Norway	2	0.1%
47	Ukraine	2	0.1%
48	Viet Nam	2	0.1%
49	Portugal	1	0.1%
50	Sri Lanka	1	0.1%
51	Iraq	1	0.1%
52	Mongolia	1	0.1%
53	Bulgaria	1	0.1%
54	Argentina	1	0.1%
55	Ethiopia	1	0.1%
56	Ecuador	1	0.1%