Rank	Countries/Territories	Count	Percent
1	China	306	27.2%
2	United States	219	19.5%
3	Japan	202	18%
4	Russia	61	5.4%
5	Germany	56	5%
6	Singapore	40	3.6%
7	Spain	29	2.6%
8	India	24	2.1%
9	United Kingdom	23	2%
10	Ireland	16	1.4%
11	Switzerland	14	1.2%
12	Netherlands	13	1.2%
13	Korea, Republic of	12	1.1%
14	Iran, Islamic Republic of	9	0.8%
15	Canada	9	0.8%
16	Malaysia	8	0.7%
17	Uganda	8	0.7%
18	Turkey	6	0.5%
19	Australia	6	0.5%
20	France	6	0.5%
21	Hong Kong	5	0.4%
22	Indonesia	5	0.4%
23	Egypt	5	0.4%
24	Colombia	4	0.4%
25	Saudi Arabia	4	0.4%
26	Poland	4	0.4%
27	Norway	3	0.3%
28	Lebanon	3	0.3%
29	Czech Republic	3	0.3%
30	Cyprus	2	0.2%
31	Ghana	2	0.2%
32	Qatar	2	0.2%
33	Sierra Leone	2	0.2%
34	Nigeria	2	0.2%
35	Viet Nam	2	0.2%
36	United Arab Emirates	1	0.1%
37	Tanzania, United Republic of	1	0.1%
38	Slovenia	1	0.1%
39	South Africa	1	0.1%
40	Philippines	1	0.1%
41	Lithuania	1	0.1%
42	Mexico	1	0.1%
43	New Zealand	1	0.1%
44	Brazil	1	0.1%
45	Denmark	1	0.1%