Rank	Countries/Territories	Count	Percent
1	United States	311	37.3%
2	China	270	32.4%
3	Germany	63	7.6%
4	Netherlands	20	2.4%
5	Japan	14	1.7%
6	Argentina	10	1.2%
7	Bulgaria	10	1.2%
8	Canada	10	1.2%
9	Australia	9	1.1%
10	Cyprus	8	1%
11	France	8	1%
12	Saudi Arabia	8	1%
13	Spain	8	1%
14	Singapore	7	0.8%
15	Nigeria	7	0.8%
16	Poland	7	0.8%
17	India	7	0.8%
18	United Kingdom	6	0.7%
19	Mexico	5	0.6%
20	Algeria	5	0.6%
21	Sweden	4	0.5%
22	Ukraine	3	0.4%
23	Latvia	3	0.4%
24	Hong Kong	3	0.4%
25	Hungary	3	0.4%
26	Ireland	3	0.4%
27	Italy	3	0.4%
28	Indonesia	2	0.2%
29	Denmark	2	0.2%
30	Bangladesh	2	0.2%
31	Tunisia	2	0.2%
32	Portugal	2	0.2%
33	Qatar	1	0.1%
34	Romania	1	0.1%
35	Russia	1	0.1%
36	Mongolia	1	0.1%
37	Taiwan	1	0.1%
38	Thailand	1	0.1%
39	Kenya	1	0.1%
40	Korea, Republic of	1	0.1%