Rank	Countries/Territories	Count	Percent
1	China	616	51.6%
2	United States	258	21.6%
3	Germany	112	9.4%
4	Japan	45	3.8%
5	Netherlands	22	1.8%
6	United Kingdom	19	1.6%
7	Bulgaria	12	1%
8	Cyprus	11	0.9%
9	Korea, Republic of	11	0.9%
10	Romania	10	0.8%
11	Taiwan	9	0.8%
12	Singapore	7	0.6%
13	Ukraine	6	0.5%
14	France	6	0.5%
15	Canada	6	0.5%
16	Iran, Islamic Republic of	4	0.3%
17	Hong Kong	4	0.3%
18	Australia	3	0.3%
19	Brazil	3	0.3%
20	Saudi Arabia	3	0.3%
21	Slovenia	3	0.3%
22	Latvia	3	0.3%
23	Mauritius	2	0.2%
24	Norway	2	0.2%
25	South Africa	2	0.2%
26	Argentina	2	0.2%
27	India	2	0.2%
28	Ireland	2	0.2%
29	Italy	2	0.2%
30	Indonesia	1	0.1%
31	Belgium	1	0.1%
32	Costa Rica	1	0.1%
33	Spain	1	0.1%
34	Switzerland	1	0.1%
35	Portugal	1	0.1%
36	Nigeria	1	0.1%