You can export the number of objects currently around, EG:  
 1  Players,  222  Objects, Map Time 48  / 120 minutes, 1  Aircraft, 0  Helicopters, 0  Chaff/Flares, 0  Moving, 0  Standing, 171  Tanks, 49  SAMs, 1  Ships, 0  Missiles, 0  Bombs, 0  Shells, 0  Rockets, 0  Aerodromes