Rank	Countries/Territories	Count	Percent
1	United States	512	25.8%
2	China	388	19.6%
3	Japan	374	18.9%
4	Germany	117	5.9%
5	United Kingdom	73	3.7%
6	Singapore	72	3.6%
7	Netherlands	45	2.3%
8	India	35	1.8%
9	Australia	31	1.6%
10	Belgium	31	1.6%
11	Italy	24	1.2%
12	Sweden	20	1%
13	Canada	16	0.8%
14	Hong Kong	15	0.8%
15	Ireland	13	0.7%
16	South Africa	12	0.6%
17	Spain	12	0.6%
18	Romania	12	0.6%
19	Russia	11	0.6%
20	Taiwan	11	0.6%
21	United Arab Emirates	11	0.6%
22	Korea, Republic of	11	0.6%
23	Lithuania	11	0.6%
24	France	10	0.5%
25	Norway	10	0.5%
26	Thailand	9	0.5%
27	Indonesia	9	0.5%
28	Bulgaria	8	0.4%
29	Mexico	7	0.4%
30	Portugal	7	0.4%
31	Iran, Islamic Republic of	6	0.3%
32	Malaysia	5	0.3%
33	Ecuador	5	0.3%
34	Argentina	4	0.2%
35	Saudi Arabia	4	0.2%
36	Switzerland	4	0.2%
37	Uruguay	3	0.2%
38	Viet Nam	3	0.2%
39	Egypt	3	0.2%
40	Cyprus	3	0.2%
41	Morocco	3	0.2%
42	Luxembourg	3	0.2%
43	Latvia	2	0.1%
44	Bangladesh	2	0.1%
45	Sri Lanka	2	0.1%
46	Poland	2	0.1%
47	New Zealand	2	0.1%
48	Philippines	1	0.1%
49	Brazil	1	0.1%
50	Costa Rica	1	0.1%
51	Czech Republic	1	0.1%
52	Moldova, Republic of	1	0.1%
53	Mongolia	1	0.1%
54	Israel	1	0.1%
55	Kuwait	1	0.1%
56	Jordan	1	0.1%