Rank	Countries/Territories	Count	Percent
1	United States	425	44.9%
2	China	282	29.8%
3	Germany	73	7.7%
4	Australia	39	4.1%
5	France	25	2.6%
6	Japan	13	1.4%
7	Singapore	12	1.3%
8	India	11	1.2%
9	Canada	10	1.1%
10	Russia	10	1.1%
11	Netherlands	8	0.8%
12	Hong Kong	5	0.5%
13	United Kingdom	5	0.5%
14	Romania	3	0.3%
15	Sri Lanka	2	0.2%
16	Sweden	2	0.2%
17	Switzerland	2	0.2%
18	Italy	2	0.2%
19	Norway	2	0.2%
20	Korea, Republic of	2	0.2%
21	Chile	2	0.2%
22	Cyprus	2	0.2%
23	Austria	2	0.2%
24	Bangladesh	1	0.1%
25	Belgium	1	0.1%
26	Ethiopia	1	0.1%
27	Mongolia	1	0.1%
28	Hungary	1	0.1%
29	Taiwan	1	0.1%
30	Ukraine	1	0.1%
31	Slovakia	1	0.1%