Section 5. The salaries of county commissioners, payable by their respective counties in full for all services performed by said commissioners except as otherwise provided, shall be as follows:—

Middlesex....... $9,505.16

Essex....... 8,799.73

Norfolk....... 8,799.73

Worcester....... 8,799.73

Bristol....... 7,388.87

Hampden....... 7,388.87

Barnstable....... 6,683.44

Berkshire....... 6,683.44

Plymouth....... 6,683.44

Franklin....... 5,272.58

Hampshire....... 5,272.58

Dukes....... 2,963.90