Rank	Countries/Territories	Count	Percent
1	United States	575	38.9%
2	China	512	34.7%
3	Germany	161	10.9%
4	Japan	33	2.2%
5	Switzerland	23	1.6%
6	India	18	1.2%
7	Australia	14	0.9%
8	Netherlands	14	0.9%
9	Singapore	12	0.8%
10	France	10	0.7%
11	Canada	10	0.7%
12	Korea, Republic of	9	0.6%
13	Ireland	7	0.5%
14	Cyprus	7	0.5%
15	Mexico	7	0.5%
16	United Kingdom	7	0.5%
17	Brazil	6	0.4%
18	Argentina	5	0.3%
19	Italy	5	0.3%
20	Spain	5	0.3%
21	Taiwan	4	0.3%
22	Thailand	4	0.3%
23	Malaysia	4	0.3%
24	Norway	4	0.3%
25	Romania	3	0.2%
26	Russia	3	0.2%
27		3	0.2%
28	Colombia	2	0.1%
29	Lebanon	2	0.1%
30	Egypt	2	0.1%
31	Hong Kong	2	0.1%
32	New Zealand	2	0.1%
33	Peru	1	0.1%
34	Ecuador	1	0.1%