Rank	Countries/Territories	Count	Percent
1	United States	342	38.4%
2	China	280	31.4%
3	Germany	111	12.5%
4	Japan	30	3.4%
5	Canada	29	3.3%
6	France	19	2.1%
7	Netherlands	10	1.1%
8	Cyprus	8	0.9%
9	Australia	6	0.7%
10	Korea, Republic of	5	0.6%
11	India	5	0.6%
12	Iran, Islamic Republic of	4	0.4%
13	Ireland	4	0.4%
14	Israel	4	0.4%
15	Spain	4	0.4%
16	Sweden	3	0.3%
17	United Kingdom	3	0.3%
18	Mongolia	3	0.3%
19	Romania	3	0.3%
20	Poland	2	0.2%
21	Norway	2	0.2%
22	Guam	2	0.2%
23	Lebanon	2	0.2%
24	Lithuania	2	0.2%
25	Bangladesh	1	0.1%
26	Brazil	1	0.1%
27	Denmark	1	0.1%
28	Finland	1	0.1%
29	Philippines	1	0.1%
30	Russia	1	0.1%
31	Singapore	1	0.1%
32	Switzerland	1	0.1%