Rank	Countries/Territories	Count	Percent
1	United States	515	33.1%
2	China	447	28.8%
3	Germany	141	9.1%
4	Brazil	56	3.6%
5	India	43	2.8%
6	United Kingdom	42	2.7%
7	Japan	37	2.4%
8	Canada	31	2%
9	Netherlands	25	1.6%
10	France	22	1.4%
11	Czech Republic	20	1.3%
12	Korea, Republic of	18	1.2%
13	Australia	14	0.9%
14	Ireland	10	0.6%
15	Cyprus	9	0.6%
16	Hong Kong	9	0.6%
17	Indonesia	8	0.5%
18	Iran, Islamic Republic of	7	0.5%
19	Egypt	7	0.5%
20	Singapore	7	0.5%
21	Taiwan	6	0.4%
22	Thailand	6	0.4%
23	Belgium	6	0.4%
24	Greece	5	0.3%
25	Italy	5	0.3%
26	Turkey	5	0.3%
27	South Africa	5	0.3%
28	Mexico	5	0.3%
29	Spain	4	0.3%
30	Chile	4	0.3%
31	Algeria	3	0.2%
32	Kuwait	3	0.2%
33	Portugal	3	0.2%
34	Romania	3	0.2%
35	Russia	2	0.1%
36	Saudi Arabia	2	0.1%
37	Nicaragua	2	0.1%
38	Philippines	2	0.1%
39	Colombia	2	0.1%
40	Congo, The Democratic Republic of The	2	0.1%
41	Seychelles	2	0.1%
42	Zimbabwe	1	0.1%
43	Switzerland	1	0.1%
44	United Arab Emirates	1	0.1%
45	Hungary	1	0.1%
46	Georgia	1	0.1%
47	New Zealand	1	0.1%
48	Serbia	1	0.1%
49	Lebanon	1	0.1%
50	Libya	1	0.1%