Rank	Countries/Territories	Count	Percent
1	United States	639	33.1%
2	China	478	24.7%
3	Japan	171	8.8%
4	Germany	168	8.7%
5	Singapore	63	3.3%
6	Australia	60	3.1%
7	France	30	1.6%
8	Netherlands	29	1.5%
9	Italy	25	1.3%
10	United Kingdom	25	1.3%
11	Canada	18	0.9%
12	Ireland	17	0.9%
13	Russia	15	0.8%
14	Romania	13	0.7%
15	Sweden	13	0.7%
16	Korea, Republic of	13	0.7%
17	India	12	0.6%
18	Cyprus	12	0.6%
19	Turkey	11	0.6%
20	Spain	10	0.5%
21	Iran, Islamic Republic of	10	0.5%
22	Hong Kong	10	0.5%
23	Brazil	8	0.4%
24	Egypt	6	0.3%
25	Yemen	6	0.3%
26	Taiwan	5	0.3%
27	Poland	5	0.3%
28	Colombia	5	0.3%
29	Indonesia	5	0.3%
30	Hungary	4	0.2%
31	Malaysia	4	0.2%
32	Belgium	4	0.2%
33	Bangladesh	3	0.2%
34	Mexico	3	0.2%
35	Greece	3	0.2%
36	Pakistan	3	0.2%
37	Peru	3	0.2%
38	Ukraine	3	0.2%
39	Syrian Arab Republic	2	0.1%
40	Philippines	2	0.1%
41	Saudi Arabia	2	0.1%
42	Norway	2	0.1%
43	Austria	2	0.1%
44	Chile	2	0.1%
45	Ethiopia	2	0.1%
46	Fiji	1	0.1%
47	Denmark	1	0.1%
48	Bulgaria	1	0.1%
49	Argentina	1	0.1%
50	Nigeria	1	0.1%
51	Lebanon	1	0.1%
52	South Africa	1	0.1%