Rank	Countries/Territories	Count	Percent
1	United States	428	39.7%
2	China	308	28.6%
3	Germany	103	9.6%
4	France	36	3.3%
5	Japan	34	3.2%
6	Canada	33	3.1%
7	Australia	16	1.5%
8	Netherlands	16	1.5%
9	Sweden	14	1.3%
10	Singapore	13	1.2%
11	United Kingdom	10	0.9%
12	Russia	8	0.7%
13	Cyprus	8	0.7%
14	India	7	0.6%
15	Norway	6	0.6%
16	Viet Nam	5	0.5%
17	Iran, Islamic Republic of	4	0.4%
18	Israel	4	0.4%
19	Hong Kong	4	0.4%
20	Latvia	3	0.3%
21	Korea, Republic of	2	0.2%
22	Brazil	2	0.2%
23	Ukraine	2	0.2%
24	Philippines	2	0.2%
25	Poland	2	0.2%
26	Switzerland	1	0.1%
27	Taiwan	1	0.1%
28	Argentina	1	0.1%
29	Malaysia	1	0.1%
30	Mongolia	1	0.1%
31	Italy	1	0.1%
32	Ireland	1	0.1%