Rank	Countries/Territories	Count	Percent
1	United States	563	32.7%
2	China	541	31.4%
3	Germany	144	8.4%
4	Japan	81	4.7%
5	Czech Republic	59	3.4%
6	Korea, Republic of	42	2.4%
7	Netherlands	34	2%
8	France	28	1.6%
9	Australia	20	1.2%
10	Canada	17	1%
11	United Kingdom	17	1%
12	Ukraine	15	0.9%
13	Singapore	14	0.8%
14	Spain	12	0.7%
15	Switzerland	11	0.6%
16	Iran, Islamic Republic of	11	0.6%
17	India	10	0.6%
18	Italy	10	0.6%
19	Cyprus	9	0.5%
20	Taiwan	9	0.5%
21	Ireland	7	0.4%
22	Hong Kong	6	0.3%
23	Sweden	6	0.3%
24	Argentina	5	0.3%
25	Pakistan	4	0.2%
26	Poland	4	0.2%
27	Turkey	3	0.2%
28	Nigeria	3	0.2%
29	Malaysia	3	0.2%
30	Denmark	3	0.2%
31	Israel	3	0.2%
32	Indonesia	2	0.1%
33	Brazil	2	0.1%
34	Croatia	2	0.1%
35	Mexico	2	0.1%
36	Philippines	2	0.1%
37	Latvia	2	0.1%
38	Lithuania	2	0.1%
39	Portugal	2	0.1%
40	Russia	2	0.1%
41	Saudi Arabia	1	0.1%
42	Serbia	1	0.1%
43	Sri Lanka	1	0.1%
44	Slovakia	1	0.1%
45	United Arab Emirates	1	0.1%
46	Luxembourg	1	0.1%
47	Macao	1	0.1%
48	Jordan	1	0.1%
49	Norway	1	0.1%
50	New Zealand	1	0.1%
51	Bangladesh	1	0.1%