Rank	Countries/Territories	Count	Percent
1	China	246	29.5%
2	United States	242	29.1%
3	Germany	90	10.8%
4	India	34	4.1%
5	United Kingdom	28	3.4%
6	Taiwan	17	2%
7	Switzerland	13	1.6%
8	France	13	1.6%
9	Pakistan	12	1.4%
10	Netherlands	11	1.3%
11	Australia	11	1.3%
12	Egypt	10	1.2%
13	Singapore	10	1.2%
14	Russia	9	1.1%
15		7	0.8%
16	Colombia	6	0.7%
17	Japan	6	0.7%
18	Korea, Republic of	5	0.6%
19	Nigeria	5	0.6%
20	Senegal	5	0.6%
21	Ethiopia	5	0.6%
22	Canada	4	0.5%
23	Hong Kong	4	0.5%
24	Cyprus	3	0.4%
25	Mongolia	3	0.4%
26	Saudi Arabia	3	0.4%
27	Somalia	2	0.2%
28	Norway	2	0.2%
29	Oman	2	0.2%
30	Malaysia	2	0.2%
31	Indonesia	2	0.2%
32	Burundi	2	0.2%
33	Argentina	2	0.2%
34	Suriname	2	0.2%
35	Tanzania, United Republic of	2	0.2%
36	Thailand	2	0.2%
37	Uzbekistan	2	0.2%
38	Turkey	1	0.1%
39	Sweden	1	0.1%
40	Belgium	1	0.1%
41	Cameroon	1	0.1%
42	Ghana	1	0.1%
43	Georgia	1	0.1%
44	Ireland	1	0.1%
45	South Africa	1	0.1%
46	Philippines	1	0.1%