Commodity20052007200820092010
Automatic circuit breakers, for a voltage not >1000V    $56
Switches other than isolating switches & make-&-break switches, for a volta ... $251 $926$2,398
Lamp-holders, for a voltage not >1000V $249   
Plugs & sockets for a voltage not >1000V$73 $71 $12
Electrical app. for switching/protecting electrical circuits,/for making co ...$11    
Total$84$500$71$926$2,466