Rank	Countries/Territories	Count	Percent
1	United States	278	27.9%
2	China	243	24.3%
3	Germany	75	7.5%
4	Japan	70	7%
5	Korea, Republic of	31	3.1%
6	Australia	25	2.5%
7	United Kingdom	23	2.3%
8	Netherlands	22	2.2%
9	Iran, Islamic Republic of	16	1.6%
10	Singapore	16	1.6%
11	Taiwan	16	1.6%
12	Indonesia	12	1.2%
13	France	10	1%
14	India	10	1%
15	Turkey	10	1%
16	Canada	9	0.9%
17	Austria	8	0.8%
18	Hong Kong	8	0.8%
19	Switzerland	8	0.8%
20	Iraq	7	0.7%
21	Italy	6	0.6%
22	Libya	6	0.6%
23	Malaysia	5	0.5%
24	Greece	5	0.5%
25	Sweden	5	0.5%
26	Russia	5	0.5%
27	Portugal	5	0.5%
28	Viet Nam	5	0.5%
29	Philippines	4	0.4%
30	Romania	3	0.3%
31	United Arab Emirates	3	0.3%
32	Cyprus	3	0.3%
33	Czech Republic	3	0.3%
34	Egypt	3	0.3%
35	Nigeria	3	0.3%
36	Norway	3	0.3%
37	Ireland	3	0.3%
38	Israel	2	0.2%
39	New Zealand	2	0.2%
40	Mexico	2	0.2%
41	Moldova, Republic of	2	0.2%
42	Hungary	2	0.2%
43	Argentina	2	0.2%
44	Uganda	2	0.2%
45	Spain	2	0.2%
46	Poland	2	0.2%
47	Saudi Arabia	2	0.2%
48	Slovakia	1	0.1%
49	South Africa	1	0.1%
50	Thailand	1	0.1%
51	Colombia	1	0.1%
52	Croatia	1	0.1%
53	Bangladesh	1	0.1%
54	Brazil	1	0.1%
55	Ethiopia	1	0.1%
56	Denmark	1	0.1%
57	Morocco	1	0.1%
58	Panama	1	0.1%