Rank	Countries/Territories	Count	Percent
1	United States	375	37.8%
2	China	191	19.3%
3	Germany	113	11.4%
4	India	59	6%
5	Canada	31	3.1%
6	Turkey	20	2%
7	France	17	1.7%
8	Netherlands	16	1.6%
9	Iran, Islamic Republic of	13	1.3%
10	Egypt	12	1.2%
11	Japan	12	1.2%
12	Switzerland	11	1.1%
13	Cyprus	10	1%
14	Russia	9	0.9%
15	South Africa	9	0.9%
16	Ukraine	8	0.8%
17	Indonesia	8	0.8%
18	Viet Nam	8	0.8%
19	Australia	7	0.7%
20	Italy	7	0.7%
21	Norway	5	0.5%
22	Singapore	5	0.5%
23	United Kingdom	5	0.5%
24	Philippines	4	0.4%
25	Kuwait	3	0.3%
26	Syrian Arab Republic	3	0.3%
27	Thailand	3	0.3%
28	Bulgaria	3	0.3%
29	Hong Kong	3	0.3%
30	Moldova, Republic of	3	0.3%
31	Iraq	2	0.2%
32	Bolivia, Plurinational State of	2	0.2%
33	Algeria	2	0.2%
34	Argentina	2	0.2%
35	United Arab Emirates	2	0.2%
36	Sweden	2	0.2%
37	Kazakhstan	2	0.2%
38	Korea, Republic of	2	0.2%
39	Mexico	1	0.1%
40	Bangladesh	1	0.1%