Rank	Countries/Territories	Count	Percent
1	United States	516	37.6%
2	China	414	30.2%
3	Germany	109	7.9%
4	France	70	5.1%
5	Netherlands	53	3.9%
6	Latvia	37	2.7%
7	Japan	29	2.1%
8	United Kingdom	20	1.5%
9	Canada	19	1.4%
10	Hong Kong	15	1.1%
11	Sweden	15	1.1%
12	Australia	11	0.8%
13	Cyprus	8	0.6%
14	Korea, Republic of	8	0.6%
15	Singapore	8	0.6%
16	Iran, Islamic Republic of	6	0.4%
17	Argentina	5	0.4%
18	Ukraine	5	0.4%
19	Czech Republic	4	0.3%
20	India	3	0.2%
21	Russia	3	0.2%
22	Romania	2	0.1%
23	Italy	2	0.1%
24	Denmark	2	0.1%
25	Finland	2	0.1%
26	Bulgaria	2	0.1%
27	Kyrgyzstan	1	0.1%
28	Ireland	1	0.1%
29	Mexico	1	0.1%
30	Mongolia	1	0.1%
31	Thailand	1	0.1%