Rank	Countries/Territories	Count	Percent
1	United States	583	37.4%
2	China	510	32.7%
3	Germany	109	7%
4	India	81	5.2%
5	France	40	2.6%
6	Netherlands	37	2.4%
7	Japan	22	1.4%
8	United Kingdom	18	1.2%
9	Ireland	17	1.1%
10	Indonesia	17	1.1%
11	Iran, Islamic Republic of	13	0.8%
12	Canada	13	0.8%
13	Taiwan	12	0.8%
14	Australia	11	0.7%
15	Russia	9	0.6%
16	Pakistan	8	0.5%
17	Cyprus	7	0.4%
18	Singapore	6	0.4%
19	Korea, Republic of	6	0.4%
20	Sri Lanka	5	0.3%
21	Egypt	4	0.3%
22	Austria	3	0.2%
23	Bangladesh	3	0.2%
24	Bulgaria	3	0.2%
25	Malaysia	3	0.2%
26	Mongolia	2	0.1%
27	Nigeria	2	0.1%
28	Latvia	2	0.1%
29	Sweden	2	0.1%
30	South Africa	2	0.1%
31	Spain	2	0.1%
32	Czech Republic	2	0.1%
33	Chile	1	0.1%
34	Argentina	1	0.1%
35	Philippines	1	0.1%
36	Libya	1	0.1%