Rank	Countries/Territories	Count	Percent
1	United States	474	37.1%
2	China	427	33.4%
3	Germany	134	10.5%
4	Italy	29	2.3%
5	Nigeria	27	2.1%
6	France	26	2%
7	Bulgaria	22	1.7%
8	Australia	17	1.3%
9	Cyprus	13	1%
10	Japan	12	0.9%
11	Russia	11	0.9%
12	Singapore	11	0.9%
13	Netherlands	11	0.9%
14	Korea, Republic of	9	0.7%
15	Argentina	6	0.5%
16	United Kingdom	6	0.5%
17	Canada	5	0.4%
18	Taiwan	4	0.3%
19	Norway	4	0.3%
20	Pakistan	4	0.3%
21	Portugal	4	0.3%
22	India	3	0.2%
23	Turkey	3	0.2%
24	Saudi Arabia	3	0.2%
25	Switzerland	2	0.2%
26	Lebanon	2	0.2%
27	Benin	2	0.2%
28	Belarus	1	0.1%
29	Colombia	1	0.1%
30	Lao People's Democratic Republic	1	0.1%
31	Hong Kong	1	0.1%
32	Mauritius	1	0.1%
33	Mexico	1	0.1%
34	Indonesia	1	0.1%
35	Viet Nam	1	0.1%