Rank	Countries/Territories	Count	Percent
1	United States	469	38.5%
2	China	341	28%
3	Germany	77	6.3%
4	Canada	32	2.6%
5	Japan	23	1.9%
6	Netherlands	23	1.9%
7	Australia	21	1.7%
8	United Kingdom	21	1.7%
9	Ireland	19	1.6%
10	India	17	1.4%
11	Belgium	17	1.4%
12	Taiwan	15	1.2%
13	Singapore	14	1.1%
14	France	13	1.1%
15	Russia	13	1.1%
16	Italy	12	1%
17	Korea, Republic of	8	0.7%
18	Hungary	7	0.6%
19	Argentina	6	0.5%
20	Israel	6	0.5%
21	Greece	5	0.4%
22	Malaysia	4	0.3%
23	Spain	4	0.3%
24	Thailand	4	0.3%
25	Switzerland	3	0.2%
26	Ukraine	3	0.2%
27	Peru	3	0.2%
28	Hong Kong	3	0.2%
29	Cyprus	3	0.2%
30	Denmark	2	0.2%
31	Brazil	2	0.2%
32	Austria	2	0.2%
33	Norway	2	0.2%
34	Pakistan	2	0.2%
35	Saudi Arabia	2	0.2%
36	Serbia	2	0.2%
37	Qatar	2	0.2%
38	Mexico	2	0.2%
39	Luxembourg	2	0.2%
40	Turkey	2	0.2%
41	Sweden	2	0.2%
42	South Africa	1	0.1%
43	Kuwait	1	0.1%
44	Romania	1	0.1%
45	Philippines	1	0.1%
46	Portugal	1	0.1%
47	Bahamas	1	0.1%
48	Belarus	1	0.1%
49	Finland	1	0.1%
50	Colombia	1	0.1%