Rank	Countries/Territories	Count	Percent
1	United States	409	40.1%
2	China	290	28.4%
3	Germany	61	6%
4	India	49	4.8%
5	Japan	29	2.8%
6	Australia	21	2.1%
7		16	1.6%
8	Russia	15	1.5%
9	Singapore	13	1.3%
10	France	10	1%
11	Hong Kong	9	0.9%
12	Netherlands	9	0.9%
13	Canada	8	0.8%
14	Brazil	8	0.8%
15	United Kingdom	7	0.7%
16	Korea, Republic of	6	0.6%
17	Spain	6	0.6%
18	Israel	5	0.5%
19	South Africa	5	0.5%
20	Switzerland	4	0.4%
21	Slovakia	4	0.4%
22	Lithuania	3	0.3%
23	Ukraine	3	0.3%
24	Thailand	2	0.2%
25	Lebanon	2	0.2%
26	Norway	2	0.2%
27	Saint Kitts and Nevis	2	0.2%
28	Mongolia	2	0.2%
29	Romania	2	0.2%
30	Greece	2	0.2%
31	Bulgaria	2	0.2%
32	Cyprus	2	0.2%
33	Denmark	2	0.2%
34	Bangladesh	2	0.2%
35	Bahrain	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Ireland	1	0.1%
38	Sweden	1	0.1%
39	Pakistan	1	0.1%
40	New Zealand	1	0.1%
41	Moldova, Republic of	1	0.1%
42	Turkey	1	0.1%
43	Taiwan	1	0.1%