Rank	Countries/Territories	Count	Percent
1	United States	374	39.9%
2	China	189	20.1%
3	Germany	96	10.2%
4	United Kingdom	55	5.9%
5	Denmark	33	3.5%
6	Sweden	22	2.3%
7	France	16	1.7%
8	Japan	16	1.7%
9	Spain	14	1.5%
10	Singapore	11	1.2%
11	Italy	9	1%
12	Tunisia	8	0.9%
13	Netherlands	8	0.9%
14	Czech Republic	7	0.7%
15	Thailand	7	0.7%
16	Portugal	6	0.6%
17	Lebanon	6	0.6%
18	Canada	5	0.5%
19	Turkey	5	0.5%
20	Bulgaria	4	0.4%
21	Australia	4	0.4%
22	Cyprus	4	0.4%
23	Iran, Islamic Republic of	4	0.4%
24	Slovakia	4	0.4%
25	Israel	3	0.3%
26	Estonia	3	0.3%
27	Finland	3	0.3%
28	Taiwan	3	0.3%
29	Iceland	2	0.2%
30	Ireland	2	0.2%
31	Korea, Republic of	2	0.2%
32	Philippines	2	0.2%
33	Poland	1	0.1%
34	Norway	1	0.1%
35	Pakistan	1	0.1%
36	Russia	1	0.1%
37	Lithuania	1	0.1%
38	India	1	0.1%
39	Indonesia	1	0.1%
40	Egypt	1	0.1%
41	Colombia	1	0.1%
42	Brazil	1	0.1%
43	Tajikistan	1	0.1%