Rank	Countries/Territories	Count	Percent
1	United States	137	34.7%
2	China	74	18.7%
3	Germany	54	13.7%
4	India	24	6.1%
5	Taiwan	16	4.1%
6	Switzerland	11	2.8%
7	United Kingdom	6	1.5%
8	Singapore	6	1.5%
9	Egypt	6	1.5%
10		5	1.3%
11	Netherlands	5	1.3%
12	Senegal	5	1.3%
13	Japan	4	1%
14	Korea, Republic of	4	1%
15	Colombia	4	1%
16	Australia	3	0.8%
17	Ethiopia	3	0.8%
18	Canada	3	0.8%
19	Saudi Arabia	3	0.8%
20	Suriname	2	0.5%
21	Nigeria	2	0.5%
22	Uzbekistan	2	0.5%
23	France	2	0.5%
24	Cyprus	2	0.5%
25	Hong Kong	2	0.5%
26	Mongolia	1	0.3%
27	Indonesia	1	0.3%
28	Ireland	1	0.3%
29	Georgia	1	0.3%
30	Belgium	1	0.3%
31	Cameroon	1	0.3%
32	Norway	1	0.3%
33	Pakistan	1	0.3%
34	Russia	1	0.3%
35	Sweden	1	0.3%