Rank	Countries/Territories	Count	Percent
1	United States	1078	55%
2	China	242	12.3%
3	Japan	137	7%
4	Germany	108	5.5%
5	Singapore	77	3.9%
6	Sweden	37	1.9%
7	Netherlands	37	1.9%
8	Russia	34	1.7%
9	Malaysia	32	1.6%
10	France	30	1.5%
11	Australia	23	1.2%
12	Canada	19	1%
13	Bulgaria	14	0.7%
14	United Kingdom	14	0.7%
15	India	7	0.4%
16	Korea, Republic of	7	0.4%
17	Brazil	6	0.3%
18	Belgium	5	0.3%
19	Cyprus	4	0.2%
20	Mongolia	4	0.2%
21	Switzerland	4	0.2%
22	Ukraine	4	0.2%
23	Poland	3	0.2%
24	Ireland	3	0.2%
25	Italy	3	0.2%
26	Hong Kong	2	0.1%
27	Romania	2	0.1%
28	Norway	2	0.1%
29	Lao People's Democratic Republic	2	0.1%
30	Lithuania	2	0.1%
31	Turkey	2	0.1%
32	South Africa	2	0.1%
33	Viet Nam	2	0.1%
34	Serbia	1	0.1%
35	Tunisia	1	0.1%
36	Luxembourg	1	0.1%
37	Moldova, Republic of	1	0.1%
38	Latvia	1	0.1%
39	Kazakhstan	1	0.1%
40	Peru	1	0.1%
41	Nepal	1	0.1%
42	Nigeria	1	0.1%
43	Indonesia	1	0.1%
44	Czech Republic	1	0.1%
45	Denmark	1	0.1%