Rank	Countries/Territories	Count	Percent
1	United States	472	37.3%
2	China	397	31.4%
3	Germany	100	7.9%
4	India	42	3.3%
5	Italy	30	2.4%
6		25	2%
7	France	21	1.7%
8	Korea, Republic of	20	1.6%
9	Singapore	19	1.5%
10	Poland	18	1.4%
11	Taiwan	15	1.2%
12	Japan	13	1%
13	Netherlands	11	0.9%
14	Russia	10	0.8%
15	Canada	10	0.8%
16	Cyprus	10	0.8%
17	Denmark	9	0.7%
18	United Kingdom	7	0.6%
19	Hong Kong	6	0.5%
20	Iran, Islamic Republic of	3	0.2%
21	Spain	3	0.2%
22	Latvia	3	0.2%
23	Philippines	2	0.2%
24	Romania	2	0.2%
25	Sweden	2	0.2%
26	Thailand	2	0.2%
27	Viet Nam	2	0.2%
28	Ireland	2	0.2%
29	Argentina	2	0.2%
30	Austria	2	0.2%
31	Brazil	1	0.1%
32	Australia	1	0.1%
33	Israel	1	0.1%
34	Norway	1	0.1%