Rank	Countries/Territories	Count	Percent
1	United States	196	26.7%
2	China	175	23.8%
3	Bulgaria	78	10.6%
4	Germany	43	5.9%
5	Japan	40	5.4%
6	France	27	3.7%
7	Netherlands	25	3.4%
8	United Kingdom	18	2.4%
9	Singapore	16	2.2%
10	Hong Kong	12	1.6%
11	Canada	11	1.5%
12	Russia	11	1.5%
13	Mauritius	9	1.2%
14	Ireland	9	1.2%
15	Benin	8	1.1%
16	Argentina	6	0.8%
17	India	6	0.8%
18	Latvia	6	0.8%
19	Spain	6	0.8%
20	Turkey	4	0.5%
21	Viet Nam	4	0.5%
22	Korea, Republic of	4	0.5%
23	Australia	4	0.5%
24	Nigeria	3	0.4%
25	South Africa	3	0.4%
26	Romania	2	0.3%
27	El Salvador	2	0.3%
28	Italy	2	0.3%
29	Cyprus	1	0.1%
30	Belgium	1	0.1%
31	Philippines	1	0.1%
32	Mongolia	1	0.1%
33	Switzerland	1	0.1%