Rank	Countries/Territories	Count	Percent
1	United States	175	34.1%
2	China	98	19.1%
3	Germany	59	11.5%
4	India	30	5.8%
5	United Kingdom	17	3.3%
6	Taiwan	16	3.1%
7	Switzerland	13	2.5%
8	France	12	2.3%
9	Netherlands	10	1.9%
10	Egypt	8	1.6%
11	Australia	8	1.6%
12		7	1.4%
13	Russia	6	1.2%
14	Singapore	6	1.2%
15	Senegal	5	1%
16	Korea, Republic of	5	1%
17	Colombia	4	0.8%
18	Japan	4	0.8%
19	Saudi Arabia	3	0.6%
20	Ethiopia	3	0.6%
21	Canada	3	0.6%
22	Mongolia	3	0.6%
23	Hong Kong	2	0.4%
24	Cyprus	2	0.4%
25	Nigeria	2	0.4%
26	Suriname	2	0.4%
27	Uzbekistan	2	0.4%
28	Sweden	1	0.2%
29	Norway	1	0.2%
30	Pakistan	1	0.2%
31	Belgium	1	0.2%
32	Cameroon	1	0.2%
33	Georgia	1	0.2%
34	Indonesia	1	0.2%
35	Ireland	1	0.2%