I mainly fish Southworth (20 minutes if that round trip) and Sekiu (5-10 minutes) I fished a ton last year atleast twice a week June through September only aquired 21 hours on main...I'm sure my kicker has over 100...

The point is, depends on where you live and what you use the boat for...50 sounds like a good average if you take in consideration of yachts, cruisers etc...
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"Bad day fishing is better than a good day at work"