2006 NJ report here. In 2006 there were 654'000 anglers in New Jersey (both resident and not) who fished for an average of 13 days each. Of these, 76% (496'000 anglers) were for salt water. So in New Jersey there was about 6.4% of the total US salt water angler activity.
Reports can be accessed in this excellent website heres where actually all reports from all states can also be seen. They are updated daily and count on volunteers.