Rank	Countries/Territories	Count	Percent
1	United States	348	39.7%
2	China	236	26.9%
3	Germany	89	10.2%
4	India	47	5.4%
5	France	28	3.2%
6	Switzerland	12	1.4%
7	Taiwan	12	1.4%
8	Netherlands	11	1.3%
9	Canada	10	1.1%
10	Brazil	8	0.9%
11	Hong Kong	8	0.9%
12	Japan	7	0.8%
13	Singapore	7	0.8%
14	Iran, Islamic Republic of	6	0.7%
15	Cyprus	4	0.5%
16	Philippines	4	0.5%
17	Ireland	4	0.5%
18	United Kingdom	4	0.5%
19	Turkey	3	0.3%
20	Moldova, Republic of	3	0.3%
21	Norway	3	0.3%
22	Korea, Republic of	2	0.2%
23	Thailand	2	0.2%
24	Dominican Republic	2	0.2%
25	Chile	2	0.2%
26	Australia	2	0.2%
27	Hungary	2	0.2%
28	Iraq	1	0.1%
29	Indonesia	1	0.1%
30	Algeria	1	0.1%
31	Egypt	1	0.1%
32	Sweden	1	0.1%
33	Poland	1	0.1%
34	Russia	1	0.1%
35	Saudi Arabia	1	0.1%
36	Pakistan	1	0.1%
37	Nigeria	1	0.1%