Rank	Countries/Territories	Count	Percent
1	United States	464	39.5%
2	China	343	29.2%
3	Germany	71	6%
4	Korea, Republic of	42	3.6%
5	India	39	3.3%
6	Pakistan	20	1.7%
7	Japan	19	1.6%
8	Thailand	17	1.4%
9	Singapore	16	1.4%
10	Ireland	16	1.4%
11	United Kingdom	15	1.3%
12	Saudi Arabia	13	1.1%
13	Netherlands	11	0.9%
14	Canada	10	0.9%
15	Hong Kong	7	0.6%
16	Australia	5	0.4%
17	Spain	5	0.4%
18	France	4	0.3%
19	Iran, Islamic Republic of	4	0.3%
20	Greece	4	0.3%
21	Romania	4	0.3%
22	Russia	3	0.3%
23	Norway	3	0.3%
24	Philippines	3	0.3%
25	Mexico	3	0.3%
26	Latvia	3	0.3%
27	Cyprus	3	0.3%
28	Argentina	3	0.3%
29	Turkey	3	0.3%
30	United Arab Emirates	2	0.2%
31	Bahrain	2	0.2%
32	Bangladesh	2	0.2%
33	Italy	2	0.2%
34	Lithuania	2	0.2%
35	Luxembourg	2	0.2%
36	Portugal	2	0.2%
37	South Africa	2	0.2%
38	Malaysia	1	0.1%
39	Nepal	1	0.1%
40	Kazakhstan	1	0.1%
41	Indonesia	1	0.1%
42	Georgia	1	0.1%
43	Ukraine	1	0.1%
44	Sri Lanka	1	0.1%