Rank	Countries/Territories	Count	Percent
1	United States	784	44.6%
2	China	436	24.8%
3	Germany	174	9.9%
4		42	2.4%
5	France	33	1.9%
6	Czech Republic	30	1.7%
7	Japan	25	1.4%
8	India	24	1.4%
9	Netherlands	21	1.2%
10	Ireland	18	1%
11	Canada	17	1%
12	Thailand	13	0.7%
13	Australia	12	0.7%
14	Russia	12	0.7%
15	Korea, Republic of	12	0.7%
16	Singapore	11	0.6%
17	Chile	10	0.6%
18	Cyprus	8	0.5%
19	Hong Kong	8	0.5%
20	United Kingdom	8	0.5%
21	Spain	5	0.3%
22	Portugal	5	0.3%
23	Italy	5	0.3%
24	Pakistan	4	0.2%
25	Iran, Islamic Republic of	4	0.2%
26	Greece	4	0.2%
27	Bulgaria	3	0.2%
28	Slovenia	3	0.2%
29	Lithuania	3	0.2%
30	Macao	2	0.1%
31	South Africa	2	0.1%
32	New Zealand	2	0.1%
33	Denmark	2	0.1%
34	Ecuador	2	0.1%
35	Belgium	2	0.1%
36	Switzerland	2	0.1%
37	Taiwan	2	0.1%
38	Israel	1	0.1%
39	Norway	1	0.1%
40	Peru	1	0.1%
41	Malaysia	1	0.1%
42	Mexico	1	0.1%
43	Mongolia	1	0.1%
44	Latvia	1	0.1%