Rank	Countries/Territories	Count	Percent
1	United States	705	49.7%
2	China	270	19%
3	Germany	141	9.9%
4	Japan	75	5.3%
5		39	2.8%
6	Russia	26	1.8%
7	India	22	1.6%
8	Netherlands	17	1.2%
9	Singapore	15	1.1%
10	Portugal	12	0.8%
11	France	10	0.7%
12	Canada	8	0.6%
13	Korea, Republic of	8	0.6%
14	Ireland	7	0.5%
15	Sweden	7	0.5%
16	Indonesia	5	0.4%
17	Cyprus	4	0.3%
18	Latvia	4	0.3%
19	United Kingdom	4	0.3%
20	Nicaragua	3	0.2%
21	Hong Kong	3	0.2%
22	Iran, Islamic Republic of	2	0.1%
23	Bangladesh	2	0.1%
24	Brazil	2	0.1%
25	Czech Republic	2	0.1%
26	Egypt	2	0.1%
27	Argentina	2	0.1%
28	Australia	2	0.1%
29	Italy	2	0.1%
30	Pakistan	2	0.1%
31	Peru	2	0.1%
32	Tunisia	2	0.1%
33	Ukraine	2	0.1%
34	Philippines	1	0.1%
35	Taiwan	1	0.1%
36	Tanzania, United Republic of	1	0.1%
37	Norway	1	0.1%
38	Lebanon	1	0.1%
39	Mexico	1	0.1%
40	Moldova, Republic of	1	0.1%
41	Myanmar	1	0.1%
42	Austria	1	0.1%