Rank	Countries/Territories	Count	Percent
1	China	550	32.7%
2	United States	497	29.6%
3	Germany	132	7.9%
4	Korea, Republic of	89	5.3%
5	Italy	36	2.1%
6	Canada	32	1.9%
7	Netherlands	26	1.5%
8	Japan	25	1.5%
9	India	24	1.4%
10	Hong Kong	21	1.2%
11	France	18	1.1%
12	Switzerland	16	1%
13	Bulgaria	15	0.9%
14	Poland	14	0.8%
15	Turkey	14	0.8%
16	Russia	14	0.8%
17	United Kingdom	14	0.8%
18	Taiwan	12	0.7%
19	Norway	12	0.7%
20	Singapore	10	0.6%
21	Brazil	8	0.5%
22	Australia	8	0.5%
23	Iran, Islamic Republic of	7	0.4%
24	Ireland	6	0.4%
25	Lithuania	6	0.4%
26	Czech Republic	6	0.4%
27	Thailand	6	0.4%
28	Ukraine	5	0.3%
29	Sweden	5	0.3%
30	Spain	5	0.3%
31	Cyprus	5	0.3%
32	Colombia	4	0.2%
33	Bangladesh	3	0.2%
34	Mexico	3	0.2%
35	Indonesia	3	0.2%
36	Slovenia	3	0.2%
37	Togo	3	0.2%
38	Saudi Arabia	2	0.1%
39	Serbia	2	0.1%
40	Pakistan	2	0.1%
41	Portugal	2	0.1%
42	New Zealand	2	0.1%
43	Belgium	2	0.1%
44	Bahrain	1	0.1%
45	Cabo Verde	1	0.1%
46	Cote D'ivoire	1	0.1%
47	Hungary	1	0.1%
48	Greece	1	0.1%
49	Nigeria	1	0.1%
50	Mongolia	1	0.1%
51	Morocco	1	0.1%
52	Nepal	1	0.1%
53	Sri Lanka	1	0.1%
54	Viet Nam	1	0.1%