Rank	Countries/Territories	Count	Percent
1	United States	470	30.1%
2	China	463	29.6%
3	Germany	71	4.5%
4	Japan	52	3.3%
5	Czech Republic	45	2.9%
6	Turkey	44	2.8%
7	Netherlands	37	2.4%
8	Russia	34	2.2%
9	India	30	1.9%
10	United Kingdom	27	1.7%
11	Bulgaria	22	1.4%
12	South Africa	20	1.3%
13	Singapore	18	1.2%
14		16	1%
15	Canada	16	1%
16	Thailand	15	1%
17	Egypt	13	0.8%
18	Australia	11	0.7%
19	Greece	9	0.6%
20	Ireland	9	0.6%
21	Latvia	9	0.6%
22	Cyprus	9	0.6%
23	Portugal	9	0.6%
24	Lithuania	8	0.5%
25	Italy	6	0.4%
26	France	6	0.4%
27	Brazil	5	0.3%
28	Poland	5	0.3%
29	Viet Nam	5	0.3%
30	Romania	4	0.3%
31	Sweden	4	0.3%
32	Colombia	4	0.3%
33	Cote D'ivoire	4	0.3%
34	Hong Kong	4	0.3%
35	Argentina	4	0.3%
36	Bolivia, Plurinational State of	4	0.3%
37	Mexico	4	0.3%
38	Nigeria	4	0.3%
39	Nepal	3	0.2%
40	Mauritius	3	0.2%
41	Algeria	3	0.2%
42	Switzerland	3	0.2%
43	Taiwan	3	0.2%
44	Spain	3	0.2%
45	Peru	3	0.2%
46	Philippines	2	0.1%
47	Venezuela, Bolivarian Republic of	2	0.1%
48	Azerbaijan	2	0.1%
49	Bangladesh	2	0.1%
50	Kazakhstan	2	0.1%
51	Iran, Islamic Republic of	2	0.1%
52	Moldova, Republic of	2	0.1%
53	Mongolia	2	0.1%
54	Norway	1	0.1%
55	Pakistan	1	0.1%
56	Cameroon	1	0.1%
57	Qatar	1	0.1%
58	Tunisia	1	0.1%
59	Uganda	1	0.1%