Rank	Countries/Territories	Count	Percent
1	United States	839	39.3%
2	China	540	25.3%
3	Germany	152	7.1%
4	Sweden	81	3.8%
5	United Kingdom	64	3%
6	Brazil	60	2.8%
7	France	60	2.8%
8	Netherlands	39	1.8%
9	Japan	32	1.5%
10	Australia	23	1.1%
11	Taiwan	23	1.1%
12	Canada	19	0.9%
13	India	15	0.7%
14	Iran, Islamic Republic of	15	0.7%
15	Russia	12	0.6%
16	Singapore	12	0.6%
17	Ukraine	10	0.5%
18	Cyprus	10	0.5%
19	Chile	9	0.4%
20	Ireland	9	0.4%
21	Austria	8	0.4%
22	Hong Kong	8	0.4%
23	Mexico	7	0.3%
24	Romania	7	0.3%
25	Poland	7	0.3%
26	Montenegro	6	0.3%
27	Belgium	6	0.3%
28	Indonesia	5	0.2%
29	Italy	5	0.2%
30	Iraq	4	0.2%
31	Latvia	4	0.2%
32	Malaysia	4	0.2%
33	Bangladesh	4	0.2%
34	Switzerland	4	0.2%
35	New Zealand	3	0.1%
36	Korea, Republic of	3	0.1%
37	Philippines	2	0.1%
38	Moldova, Republic of	2	0.1%
39	Mongolia	2	0.1%
40	Afghanistan	2	0.1%
41	Croatia	2	0.1%
42	Egypt	2	0.1%
43	Thailand	2	0.1%
44	Turkey	2	0.1%
45	Portugal	1	0%
46	Spain	1	0%
47	Finland	1	0%
48	Czech Republic	1	0%
49	Denmark	1	0%
50	Malta	1	0%
51	Norway	1	0%
52	Jordan	1	0%