Rank	Countries/Territories	Count	Percent
1	United States	400	37.1%
2	China	266	24.7%
3	Germany	142	13.2%
4	India	38	3.5%
5	Japan	26	2.4%
6	Canada	20	1.9%
7	Turkey	15	1.4%
8	Netherlands	13	1.2%
9	Russia	13	1.2%
10	Switzerland	12	1.1%
11	France	10	0.9%
12	Australia	9	0.8%
13	Brazil	9	0.8%
14	United Kingdom	8	0.7%
15	Singapore	7	0.6%
16	Korea, Republic of	7	0.6%
17	Slovenia	5	0.5%
18	Cyprus	5	0.5%
19	Spain	5	0.5%
20	Thailand	4	0.4%
21	Ukraine	4	0.4%
22	Hong Kong	4	0.4%
23	Egypt	4	0.4%
24	Argentina	4	0.4%
25	Lithuania	4	0.4%
26	Morocco	4	0.4%
27	South Africa	3	0.3%
28	Kenya	3	0.3%
29	Sweden	3	0.3%
30	Peru	3	0.3%
31	Tunisia	2	0.2%
32	Uzbekistan	2	0.2%
33	Lebanon	2	0.2%
34	Ireland	2	0.2%
35	Ghana	2	0.2%
36	Norway	2	0.2%
37	Denmark	2	0.2%
38	Ecuador	2	0.2%
39	Croatia	2	0.2%
40	Costa Rica	1	0.1%
41	Algeria	1	0.1%
42	Bulgaria	1	0.1%
43	Austria	1	0.1%
44	Bangladesh	1	0.1%
45	Belgium	1	0.1%
46	Greece	1	0.1%
47	Italy	1	0.1%
48	Poland	1	0.1%
49	Portugal	1	0.1%