Rank	Countries/Territories	Count	Percent
1	China	183	38%
2	United States	137	28.4%
3	Japan	30	6.2%
4	Italy	14	2.9%
5	Australia	12	2.5%
6	Netherlands	12	2.5%
7	Singapore	11	2.3%
8	Germany	10	2.1%
9	Bulgaria	7	1.5%
10	Canada	7	1.5%
11	Iran, Islamic Republic of	6	1.2%
12	India	5	1%
13	Thailand	5	1%
14	Mexico	4	0.8%
15	Mongolia	4	0.8%
16	Nigeria	4	0.8%
17	Pakistan	3	0.6%
18	United Kingdom	3	0.6%
19	France	3	0.6%
20	Bangladesh	3	0.6%
21	Indonesia	2	0.4%
22	Israel	2	0.4%
23	Mauritius	2	0.4%
24	Ukraine	2	0.4%
25	Peru	2	0.4%
26	Portugal	2	0.4%
27	Russia	1	0.2%
28	Slovakia	1	0.2%
29	Latvia	1	0.2%
30	Iraq	1	0.2%
31	Ireland	1	0.2%
32	Albania	1	0.2%
33	Argentina	1	0.2%