Rank	Countries/Territories	Count	Percent
1	United States	330	31.1%
2	China	240	22.6%
3	Japan	66	6.2%
4	Germany	64	6%
5	United Kingdom	41	3.9%
6	Netherlands	28	2.6%
7	Korea, Republic of	20	1.9%
8	France	19	1.8%
9	Australia	19	1.8%
10	Russia	18	1.7%
11	Italy	16	1.5%
12	Spain	15	1.4%
13	Sweden	12	1.1%
14	Turkey	12	1.1%
15	Poland	12	1.1%
16	Belgium	12	1.1%
17	Singapore	11	1%
18	Slovenia	10	0.9%
19	Taiwan	9	0.8%
20	Canada	8	0.8%
21	Norway	8	0.8%
22	Hong Kong	7	0.7%
23	Brazil	7	0.7%
24	Thailand	7	0.7%
25	India	6	0.6%
26	Saudi Arabia	6	0.6%
27	Ireland	5	0.5%
28	South Africa	5	0.5%
29	Romania	4	0.4%
30	Israel	4	0.4%
31	Iran, Islamic Republic of	4	0.4%
32	Denmark	3	0.3%
33	Lithuania	3	0.3%
34	Malaysia	3	0.3%
35	Mexico	3	0.3%
36	Portugal	3	0.3%
37	Ukraine	3	0.3%
38	Viet Nam	2	0.2%
39	Colombia	2	0.2%
40	Croatia	2	0.2%
41	Cyprus	2	0.2%
42	Hungary	2	0.2%
43	Egypt	2	0.2%
44	Greece	2	0.2%
45	Ecuador	1	0.1%
46	Philippines	1	0.1%
47	Jordan	1	0.1%