Rank	Countries/Territories	Count	Percent
1	United States	416	34.2%
2	China	254	20.9%
3	Germany	93	7.6%
4	Brazil	79	6.5%
5	India	51	4.2%
6	Canada	35	2.9%
7	Russia	31	2.5%
8	Japan	25	2.1%
9	Turkey	25	2.1%
10	Singapore	20	1.6%
11	Ireland	18	1.5%
12	France	17	1.4%
13	Korea, Republic of	14	1.1%
14	Netherlands	14	1.1%
15	Latvia	12	1%
16	Hong Kong	11	0.9%
17	Sweden	10	0.8%
18	Thailand	8	0.7%
19	Belgium	8	0.7%
20	Czech Republic	6	0.5%
21	Taiwan	6	0.5%
22		5	0.4%
23	Chile	4	0.3%
24	Greece	4	0.3%
25	Iran, Islamic Republic of	4	0.3%
26	United Kingdom	4	0.3%
27	Tunisia	3	0.2%
28	Spain	3	0.2%
29	Lithuania	3	0.2%
30	Mexico	3	0.2%
31	Cyprus	3	0.2%
32	Argentina	2	0.2%
33	Australia	2	0.2%
34	Belarus	2	0.2%
35	Morocco	2	0.2%
36	Indonesia	2	0.2%
37	Italy	2	0.2%
38	Serbia	2	0.2%
39	Romania	2	0.2%
40	South Africa	2	0.2%
41	Switzerland	2	0.2%
42	Ukraine	1	0.1%
43	Viet Nam	1	0.1%
44	Norway	1	0.1%
45	Peru	1	0.1%
46	Philippines	1	0.1%
47	Israel	1	0.1%
48	Bolivia, Plurinational State of	1	0.1%
49	Bosnia and Herzegovina	1	0.1%
50	Colombia	1	0.1%