Rank	Countries/Territories	Count	Percent
1	United States	460	42.4%
2	China	326	30.1%
3	Germany	103	9.5%
4	Japan	25	2.3%
5	France	22	2%
6	Switzerland	18	1.7%
7	Singapore	17	1.6%
8	Ukraine	14	1.3%
9	India	11	1%
10	Netherlands	10	0.9%
11	Canada	10	0.9%
12	Korea, Republic of	8	0.7%
13	Italy	7	0.6%
14	Australia	6	0.6%
15	Hong Kong	4	0.4%
16	Cyprus	4	0.4%
17	Indonesia	4	0.4%
18	South Africa	4	0.4%
19	Russia	3	0.3%
20	Poland	3	0.3%
21	United Kingdom	3	0.3%
22	Argentina	3	0.3%
23	Ireland	2	0.2%
24	Nigeria	2	0.2%
25	Norway	2	0.2%
26	Taiwan	2	0.2%
27	Thailand	2	0.2%
28	Romania	2	0.2%
29	Portugal	1	0.1%
30	Malaysia	1	0.1%
31	Tunisia	1	0.1%
32	Turkey	1	0.1%
33	Pakistan	1	0.1%
34	Peru	1	0.1%
35	Brazil	1	0.1%