Rank	Countries/Territories	Count	Percent
1	China	438	52.8%
2	United States	174	21%
3	Japan	23	2.8%
4	Iran, Islamic Republic of	19	2.3%
5	Australia	16	1.9%
6	India	14	1.7%
7	United Kingdom	14	1.7%
8		13	1.6%
9	Germany	13	1.6%
10	Sweden	11	1.3%
11	Netherlands	11	1.3%
12	Italy	9	1.1%
13	France	7	0.8%
14	Canada	7	0.8%
15	Moldova, Republic of	6	0.7%
16	Singapore	6	0.7%
17	Korea, Republic of	5	0.6%
18	Poland	5	0.6%
19	Brazil	5	0.6%
20	Ireland	3	0.4%
21	Morocco	3	0.4%
22	South Africa	3	0.4%
23	Spain	3	0.4%
24	Taiwan	2	0.2%
25	Pakistan	2	0.2%
26	Panama	2	0.2%
27	Russia	2	0.2%
28	Mongolia	2	0.2%
29	Greece	2	0.2%
30	Hungary	2	0.2%
31	Zambia	2	0.2%
32	Kenya	1	0.1%
33	Serbia	1	0.1%
34	Romania	1	0.1%
35	Viet Nam	1	0.1%
36	Switzerland	1	0.1%