Rank	Countries/Territories	Count	Percent
1	United States	653	28.2%
2	China	545	23.6%
3	Japan	341	14.7%
4	Germany	219	9.5%
5	Singapore	71	3.1%
6	Netherlands	67	2.9%
7	Russia	52	2.2%
8	India	52	2.2%
9	Canada	31	1.3%
10	France	31	1.3%
11	Taiwan	31	1.3%
12	Korea, Republic of	27	1.2%
13	Ireland	22	1%
14	Greece	13	0.6%
15	Egypt	13	0.6%
16	Hong Kong	12	0.5%
17	Australia	12	0.5%
18	United Kingdom	12	0.5%
19	Ukraine	9	0.4%
20	Norway	9	0.4%
21	Cyprus	8	0.3%
22	Iraq	7	0.3%
23	Indonesia	7	0.3%
24	Switzerland	6	0.3%
25	Turkey	5	0.2%
26	Mexico	5	0.2%
27	Philippines	5	0.2%
28	Iran, Islamic Republic of	4	0.2%
29	Cameroon	4	0.2%
30	Bangladesh	3	0.1%
31	Israel	3	0.1%
32	Poland	3	0.1%
33	Romania	3	0.1%
34	Spain	3	0.1%
35	Sweden	2	0.1%
36	Viet Nam	2	0.1%
37	Lebanon	2	0.1%
38	Bosnia and Herzegovina	2	0.1%
39	Brazil	2	0.1%
40	Argentina	2	0.1%
41	Denmark	2	0.1%
42	Belgium	1	0%
43	Estonia	1	0%
44	Ethiopia	1	0%
45	Finland	1	0%
46	Mongolia	1	0%
47	Italy	1	0%
48	Peru	1	0%
49	New Zealand	1	0%
50	Nigeria	1	0%
51	Sri Lanka	1	0%
52	United Arab Emirates	1	0%