Rank	Countries/Territories	Count	Percent
1	United States	378	40.1%
2	China	251	26.6%
3	Germany	100	10.6%
4	France	54	5.7%
5	Canada	33	3.5%
6	Japan	30	3.2%
7	Singapore	23	2.4%
8	Netherlands	16	1.7%
9		10	1.1%
10	Australia	8	0.8%
11	India	6	0.6%
12	Russia	4	0.4%
13	United Kingdom	4	0.4%
14	Cyprus	3	0.3%
15	Hungary	3	0.3%
16	Latvia	2	0.2%
17	Malaysia	2	0.2%
18	Switzerland	2	0.2%
19	Thailand	2	0.2%
20	Ireland	2	0.2%
21	Puerto Rico	2	0.2%
22	Slovakia	1	0.1%
23	Suriname	1	0.1%
24	Mongolia	1	0.1%
25	Norway	1	0.1%
26	Iran, Islamic Republic of	1	0.1%
27	Korea, Republic of	1	0.1%
28	Bangladesh	1	0.1%