Rank	Countries/Territories	Count	Percent
1	United States	474	34.3%
2	China	391	28.3%
3	Germany	145	10.5%
4	France	63	4.6%
5	Norway	57	4.1%
6	Canada	44	3.2%
7	Japan	23	1.7%
8	India	21	1.5%
9	Korea, Republic of	18	1.3%
10	United Kingdom	16	1.2%
11	Thailand	13	0.9%
12	Australia	12	0.9%
13	Czech Republic	9	0.7%
14	Hong Kong	7	0.5%
15	Singapore	7	0.5%
16	Sweden	7	0.5%
17	Philippines	6	0.4%
18	Netherlands	5	0.4%
19	Denmark	5	0.4%
20	Spain	5	0.4%
21	Turkey	5	0.4%
22	Mexico	4	0.3%
23	New Zealand	3	0.2%
24	Poland	3	0.2%
25	Argentina	3	0.2%
26	Brazil	3	0.2%
27	Cyprus	3	0.2%
28	Greece	2	0.1%
29	Portugal	2	0.1%
30	Slovakia	2	0.1%
31	South Africa	2	0.1%
32	Israel	2	0.1%
33	Italy	2	0.1%
34	Latvia	2	0.1%
35	Lebanon	2	0.1%
36	Ukraine	2	0.1%
37	Taiwan	2	0.1%
38	Russia	2	0.1%
39	Switzerland	1	0.1%
40	Romania	1	0.1%
41	Iran, Islamic Republic of	1	0.1%
42	Ireland	1	0.1%
43	Ghana	1	0.1%
44	Colombia	1	0.1%
45	Austria	1	0.1%
46	Belgium	1	0.1%