Rank	Countries/Territories	Count	Percent
1	United States	349	29.2%
2	China	268	22.4%
3	Japan	150	12.5%
4	Germany	116	9.7%
5	Singapore	40	3.3%
6	Netherlands	32	2.7%
7	Canada	28	2.3%
8	India	27	2.3%
9	Italy	21	1.8%
10	United Kingdom	20	1.7%
11	France	15	1.3%
12	Korea, Republic of	14	1.2%
13	Cyprus	8	0.7%
14	Spain	8	0.7%
15	Greece	7	0.6%
16	Iran, Islamic Republic of	7	0.6%
17	Lithuania	6	0.5%
18	Hong Kong	6	0.5%
19	Egypt	6	0.5%
20	Russia	6	0.5%
21	Ukraine	5	0.4%
22	Israel	5	0.4%
23	Sweden	4	0.3%
24	Taiwan	4	0.3%
25	Thailand	3	0.3%
26	South Africa	3	0.3%
27	Mexico	3	0.3%
28	Nepal	2	0.2%
29	Malaysia	2	0.2%
30	Australia	2	0.2%
31	Austria	2	0.2%
32	Bangladesh	2	0.2%
33	Indonesia	2	0.2%
34	Guatemala	2	0.2%
35	Viet Nam	2	0.2%
36	Turkey	2	0.2%
37	Philippines	2	0.2%
38	Romania	2	0.2%
39	Slovakia	1	0.1%
40	Vanuatu	1	0.1%
41	Ghana	1	0.1%
42	Argentina	1	0.1%
43	Colombia	1	0.1%
44	Croatia	1	0.1%
45	Mauritius	1	0.1%
46	Iraq	1	0.1%
47	Jordan	1	0.1%
48	Kenya	1	0.1%
49	New Zealand	1	0.1%
50	Nigeria	1	0.1%
51	Norway	1	0.1%