Rank	Countries/Territories	Count	Percent
1	United States	522	38.3%
2	China	376	27.6%
3	Germany	137	10.1%
4	France	36	2.6%
5	Japan	28	2.1%
6	Netherlands	24	1.8%
7	Bulgaria	24	1.8%
8	Canada	21	1.5%
9	Portugal	18	1.3%
10	Ukraine	16	1.2%
11	Italy	16	1.2%
12	India	16	1.2%
13	Lithuania	15	1.1%
14	Chile	11	0.8%
15	Cyprus	11	0.8%
16	Australia	9	0.7%
17	Singapore	8	0.6%
18	Sweden	6	0.4%
19	United Kingdom	5	0.4%
20	Romania	5	0.4%
21	Brazil	5	0.4%
22	Benin	4	0.3%
23	Ireland	4	0.3%
24	Russia	4	0.3%
25	Taiwan	3	0.2%
26	Korea, Republic of	3	0.2%
27	Myanmar	3	0.2%
28	Norway	3	0.2%
29	Pakistan	2	0.1%
30	Mauritius	2	0.1%
31	Mexico	2	0.1%
32	Hong Kong	2	0.1%
33	Indonesia	2	0.1%
34	Austria	2	0.1%
35	Albania	2	0.1%
36	Argentina	2	0.1%
37	Costa Rica	2	0.1%
38	Thailand	2	0.1%
39	South Africa	1	0.1%
40	Spain	1	0.1%
41	Viet Nam	1	0.1%
42	Cote D'ivoire	1	0.1%
43	Colombia	1	0.1%
44	Greece	1	0.1%
45	Belgium	1	0.1%
46	Malaysia	1	0.1%
47	Mongolia	1	0.1%
48	Philippines	1	0.1%