Rank	Countries/Territories	Count	Percent
1	China	538	43.1%
2	United States	359	28.7%
3	Germany	132	10.6%
4	Latvia	68	5.4%
5	France	23	1.8%
6	Japan	21	1.7%
7	Singapore	15	1.2%
8	Netherlands	10	0.8%
9	India	9	0.7%
10	Cyprus	7	0.6%
11	Russia	7	0.6%
12	United Kingdom	6	0.5%
13	Australia	6	0.5%
14	Canada	5	0.4%
15	Denmark	4	0.3%
16	Turkey	4	0.3%
17	Taiwan	4	0.3%
18	Argentina	3	0.2%
19	Hong Kong	3	0.2%
20	Ireland	3	0.2%
21	Italy	3	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Bulgaria	2	0.2%
24	Austria	2	0.2%
25	Thailand	2	0.2%
26	Pakistan	2	0.2%
27	Korea, Republic of	2	0.2%
28	Malaysia	1	0.1%
29	South Africa	1	0.1%
30	Spain	1	0.1%
31	Sweden	1	0.1%
32	Romania	1	0.1%
33	Belgium	1	0.1%
34	Croatia	1	0.1%