Rank	Countries/Territories	Count	Percent
1	China	453	50.4%
2	United States	138	15.4%
3	Japan	116	12.9%
4	Latvia	38	4.2%
5	Singapore	23	2.6%
6	Netherlands	21	2.3%
7	Germany	15	1.7%
8	Ireland	13	1.4%
9	United Kingdom	9	1%
10	Bulgaria	8	0.9%
11	Korea, Republic of	8	0.9%
12	Hong Kong	7	0.8%
13	Saudi Arabia	7	0.8%
14	Lithuania	4	0.4%
15	Nigeria	4	0.4%
16	Egypt	3	0.3%
17	Hungary	3	0.3%
18	India	3	0.3%
19	Argentina	3	0.3%
20	Mongolia	3	0.3%
21	Russia	2	0.2%
22	South Africa	2	0.2%
23	Sweden	2	0.2%
24	Serbia	2	0.2%
25	Brazil	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Norway	2	0.2%
28	Pakistan	2	0.2%
29	Philippines	1	0.1%
30	Australia	1	0.1%
31	Switzerland	1	0.1%