Rank	Countries/Territories	Count	Percent
1	United States	468	34.9%
2	China	344	25.7%
3	Japan	103	7.7%
4	Germany	72	5.4%
5	Netherlands	56	4.2%
6	France	24	1.8%
7	Singapore	24	1.8%
8	United Kingdom	20	1.5%
9	Ireland	20	1.5%
10	Iran, Islamic Republic of	18	1.3%
11	Korea, Republic of	15	1.1%
12	India	13	1%
13	Canada	12	0.9%
14	Australia	12	0.9%
15	Spain	11	0.8%
16	Switzerland	10	0.7%
17	Hong Kong	10	0.7%
18	Puerto Rico	9	0.7%
19	Malaysia	8	0.6%
20	New Zealand	8	0.6%
21	Taiwan	7	0.5%
22	Niger	6	0.4%
23	Belgium	6	0.4%
24	Argentina	5	0.4%
25	Norway	5	0.4%
26	Pakistan	5	0.4%
27	Turkey	5	0.4%
28	Ukraine	5	0.4%
29	Cyprus	4	0.3%
30	Denmark	4	0.3%
31	Egypt	4	0.3%
32	Italy	3	0.2%
33	Algeria	2	0.1%
34	Austria	2	0.1%
35	Romania	2	0.1%
36	Sweden	2	0.1%
37	Philippines	2	0.1%
38	Portugal	2	0.1%
39	Russia	1	0.1%
40	Saudi Arabia	1	0.1%
41	Bahrain	1	0.1%
42	Bangladesh	1	0.1%
43	Brazil	1	0.1%
44	Ethiopia	1	0.1%
45	Chile	1	0.1%
46	Kenya	1	0.1%
47	Iraq	1	0.1%
48	Panama	1	0.1%
49	Lithuania	1	0.1%
50	Nigeria	1	0.1%