Rank	Countries/Territories	Count	Percent
1	United States	282	31.2%
2	China	194	21.5%
3	Germany	129	14.3%
4	Netherlands	25	2.8%
5	France	24	2.7%
6	Russia	24	2.7%
7	Turkey	18	2%
8	United Kingdom	16	1.8%
9	Australia	14	1.6%
10	India	14	1.6%
11	Spain	13	1.4%
12	Japan	12	1.3%
13	Iran, Islamic Republic of	11	1.2%
14	Italy	9	1%
15	Hungary	8	0.9%
16	Ireland	8	0.9%
17	Canada	8	0.9%
18	Egypt	8	0.9%
19	Singapore	8	0.9%
20	Mexico	5	0.6%
21	Romania	5	0.6%
22	Cyprus	5	0.6%
23	Czech Republic	4	0.4%
24	Belgium	4	0.4%
25	Taiwan	4	0.4%
26	Portugal	3	0.3%
27	Georgia	3	0.3%
28	Israel	3	0.3%
29	Indonesia	3	0.3%
30	Iraq	2	0.2%
31	Korea, Republic of	2	0.2%
32	Norway	2	0.2%
33	Pakistan	2	0.2%
34	Hong Kong	2	0.2%
35	Ecuador	2	0.2%
36	Argentina	2	0.2%
37	Brazil	2	0.2%
38	Bulgaria	2	0.2%
39	Bangladesh	2	0.2%
40	Chile	2	0.2%
41	Colombia	2	0.2%
42	Saudi Arabia	2	0.2%
43	Thailand	2	0.2%
44	Ukraine	2	0.2%
45	Viet Nam	1	0.1%
46	Trinidad and Tobago	1	0.1%
47	Switzerland	1	0.1%
48	South Africa	1	0.1%
49	Mongolia	1	0.1%
50	Peru	1	0.1%
51	Philippines	1	0.1%
52	Malaysia	1	0.1%
53	Jordan	1	0.1%