Rank	Countries/Territories	Count	Percent
1	United States	657	39.9%
2	China	569	34.6%
3	Germany	169	10.3%
4	Japan	40	2.4%
5	Switzerland	23	1.4%
6	India	20	1.2%
7	Australia	17	1%
8	Singapore	15	0.9%
9	Netherlands	15	0.9%
10	France	11	0.7%
11	Canada	10	0.6%
12	Korea, Republic of	9	0.5%
13	Cyprus	8	0.5%
14	Ireland	7	0.4%
15	Mexico	7	0.4%
16	United Kingdom	7	0.4%
17	Brazil	6	0.4%
18	Argentina	5	0.3%
19	Italy	5	0.3%
20	Spain	5	0.3%
21	Taiwan	5	0.3%
22	Romania	5	0.3%
23	Russia	4	0.2%
24	Norway	4	0.2%
25	Malaysia	4	0.2%
26	Thailand	4	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%