Table:
text: 1952 Swiss Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Piero Taruffi Ferrari 62 3:01:46.1 2
Rudi Fischer Ferrari 62 +2:37.2 5
Jean Behra Gordini 61 +1 lap 7
Ken Wharton Frazer Nash - Bristol 60 +2 laps 13
Alan Brown Cooper - Bristol 59 +3 laps 15
Toulo de Graffenried Maserati - Platé 58 +4 laps 8
Peter Hirt Ferrari 56 +6 laps 19
Eric Brandon Cooper - Bristol 55 +7 laps 17
Prince Bira Simca-Gordini 52 Engine 11
André Simon Nino Farina Ferrari 51 Magneto 4
Harry Schell Maserati - Platé 31 Engine 18
Stirling Moss HWM - Alta 24 Withdrew 9

Question: Considering the 1952 Swiss Grand Prix, how many laps did driver Piero Taruffi do on average?