Rank	Countries/Territories	Count	Percent
1	United States	482	39.9%
2	China	295	24.4%
3	Japan	117	9.7%
4	Germany	94	7.8%
5	France	39	3.2%
6	Latvia	27	2.2%
7	Singapore	18	1.5%
8	United Kingdom	17	1.4%
9	Canada	16	1.3%
10	Russia	15	1.2%
11	Norway	10	0.8%
12	Netherlands	9	0.7%
13	Iran, Islamic Republic of	8	0.7%
14	Australia	8	0.7%
15	Romania	7	0.6%
16	Argentina	6	0.5%
17	Korea, Republic of	6	0.5%
18	Taiwan	5	0.4%
19	Thailand	4	0.3%
20	Cyprus	4	0.3%
21	Finland	3	0.2%
22	Qatar	3	0.2%
23	Ukraine	2	0.2%
24	Spain	2	0.2%
25	Georgia	2	0.2%
26	Hong Kong	2	0.2%
27	India	1	0.1%
28	Ireland	1	0.1%
29	New Zealand	1	0.1%
30	Brazil	1	0.1%
31	Togo	1	0.1%
32	Turkey	1	0.1%