Rank	Countries/Territories	Count	Percent
1	United States	449	37.8%
2	China	343	28.8%
3	Germany	187	15.7%
4	India	31	2.6%
5	France	26	2.2%
6	Netherlands	20	1.7%
7	Japan	13	1.1%
8	Canada	11	0.9%
9	United Kingdom	11	0.9%
10	Ireland	9	0.8%
11	Singapore	8	0.7%
12	Korea, Republic of	7	0.6%
13	Australia	7	0.6%
14	Philippines	6	0.5%
15	Romania	6	0.5%
16	Cyprus	5	0.4%
17	Uganda	4	0.3%
18	Portugal	4	0.3%
19	New Zealand	3	0.3%
20	Mongolia	3	0.3%
21	Sweden	3	0.3%
22	Egypt	3	0.3%
23	Colombia	3	0.3%
24	Indonesia	3	0.3%
25	Iran, Islamic Republic of	3	0.3%
26	Estonia	2	0.2%
27	Brazil	2	0.2%
28	Argentina	2	0.2%
29	Thailand	2	0.2%
30	Russia	2	0.2%
31	South Africa	2	0.2%
32	Zambia	2	0.2%
33	Nigeria	1	0.1%
34	Pakistan	1	0.1%
35	Mauritius	1	0.1%
36	Bulgaria	1	0.1%
37	Cote D'ivoire	1	0.1%
38	Hong Kong	1	0.1%
39	Kenya	1	0.1%