Rank	Countries/Territories	Count	Percent
1	United States	310	37.8%
2	China	255	31.1%
3	Germany	78	9.5%
4	Japan	20	2.4%
5	Canada	17	2.1%
6	Netherlands	14	1.7%
7	Singapore	14	1.7%
8	Switzerland	12	1.5%
9	Australia	10	1.2%
10	France	8	1%
11	India	8	1%
12	United Kingdom	8	1%
13	Saudi Arabia	7	0.9%
14	Korea, Republic of	7	0.9%
15	Cyprus	7	0.9%
16	Hong Kong	6	0.7%
17	Malaysia	5	0.6%
18	Romania	4	0.5%
19	Ireland	4	0.5%
20	Sweden	3	0.4%
21	Thailand	3	0.4%
22	Indonesia	3	0.4%
23	Brazil	3	0.4%
24	Argentina	2	0.2%
25	Bangladesh	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Mexico	2	0.2%
28	Russia	2	0.2%
29	Norway	1	0.1%
30	Peru	1	0.1%
31	Taiwan	1	0.1%
32	Georgia	1	0.1%