Rank	Countries/Territories	Count	Percent
1	United States	417	33.9%
2	China	374	30.4%
3	Germany	108	8.8%
4	India	66	5.4%
5	Spain	48	3.9%
6	Russia	28	2.3%
7	France	28	2.3%
8	Indonesia	20	1.6%
9	Australia	19	1.5%
10	Japan	17	1.4%
11	Singapore	11	0.9%
12	Netherlands	10	0.8%
13	Pakistan	6	0.5%
14	Argentina	6	0.5%
15	Canada	5	0.4%
16	Cyprus	5	0.4%
17	Ireland	5	0.4%
18	United Kingdom	5	0.4%
19	Ukraine	4	0.3%
20	Nigeria	4	0.3%
21	Korea, Republic of	4	0.3%
22	Sri Lanka	4	0.3%
23	Switzerland	3	0.2%
24	Taiwan	3	0.2%
25	South Africa	3	0.2%
26	Kenya	3	0.2%
27	Philippines	3	0.2%
28	Ethiopia	3	0.2%
29	Egypt	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Saudi Arabia	2	0.2%
32	Sierra Leone	2	0.2%
33	Turkey	2	0.2%
34	Mongolia	2	0.2%
35	Mexico	1	0.1%
36	Ecuador	1	0.1%
37	Bahrain	1	0.1%
38	Bangladesh	1	0.1%
39	Bulgaria	1	0.1%