Rank	Countries/Territories	Count	Percent
1	United States	542	32.5%
2	China	411	24.7%
3	Japan	167	10%
4	Germany	157	9.4%
5	Singapore	61	3.7%
6	Netherlands	26	1.6%
7	Italy	25	1.5%
8	United Kingdom	23	1.4%
9	France	21	1.3%
10	Ireland	17	1%
11	Russia	15	0.9%
12	Romania	13	0.8%
13	Sweden	13	0.8%
14	Korea, Republic of	13	0.8%
15	Canada	13	0.8%
16	India	11	0.7%
17	Turkey	11	0.7%
18	Spain	10	0.6%
19	Iran, Islamic Republic of	10	0.6%
20	Hong Kong	10	0.6%
21	Australia	10	0.6%
22	Cyprus	9	0.5%
23	Brazil	7	0.4%
24	Yemen	6	0.4%
25	Taiwan	5	0.3%
26	Poland	5	0.3%
27	Colombia	5	0.3%
28	Egypt	5	0.3%
29	Indonesia	5	0.3%
30	Hungary	4	0.2%
31	Malaysia	4	0.2%
32	Mexico	3	0.2%
33	Peru	3	0.2%
34	Ukraine	3	0.2%
35	Syrian Arab Republic	2	0.1%
36	Saudi Arabia	2	0.1%
37	Norway	2	0.1%
38	Pakistan	2	0.1%
39	Austria	2	0.1%
40	Bangladesh	2	0.1%
41	Belgium	2	0.1%
42	Bulgaria	1	0.1%
43	Chile	1	0.1%
44	Ethiopia	1	0.1%
45	Fiji	1	0.1%
46	Argentina	1	0.1%
47	Denmark	1	0.1%
48	Nigeria	1	0.1%
49	Lebanon	1	0.1%
50	Greece	1	0.1%
51	South Africa	1	0.1%