Rank	Countries/Territories	Count	Percent
1	China	396	38.6%
2	United States	264	25.7%
3	Bulgaria	59	5.8%
4	Germany	45	4.4%
5	Japan	43	4.2%
6	France	27	2.6%
7	Canada	20	1.9%
8	United Kingdom	20	1.9%
9	Singapore	13	1.3%
10	Netherlands	12	1.2%
11	Australia	12	1.2%
12		11	1.1%
13	Korea, Republic of	11	1.1%
14	Egypt	10	1%
15	Brazil	8	0.8%
16	Indonesia	7	0.7%
17	Latvia	7	0.7%
18	Thailand	6	0.6%
19	Malta	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	Cyprus	4	0.4%
22	Chile	3	0.3%
23	Mongolia	3	0.3%
24	India	3	0.3%
25	Turkey	3	0.3%
26	Sweden	3	0.3%
27	Nigeria	3	0.3%
28	Taiwan	3	0.3%
29	Viet Nam	2	0.2%
30	Pakistan	2	0.2%
31	Ukraine	2	0.2%
32	Lithuania	2	0.2%
33	Austria	2	0.2%
34	Ireland	2	0.2%
35	Hong Kong	2	0.2%
36	Kazakhstan	1	0.1%
37	Libya	1	0.1%
38	Morocco	1	0.1%
39	Nepal	1	0.1%
40	Switzerland	1	0.1%
41	Poland	1	0.1%
42	Qatar	1	0.1%
43	Russia	1	0.1%