Employee of the construction industry comparatively  Average 9.99
Worst 1;

Okinawa 13.37
Aomori 13.35
Akita 12.75
Shimane 12.72
Niigata 12.59
Worst 2;

Hokkaido 12.46
Oita 12.18
Fukui 12.09
Kouchi 12.01
Iwate 11.93
   Best 1;

Tokyo 7.67
Nara 8.06
Kyoto 8.22
Shiga 8.41
Aichi 8.90
Best 2;

Kanagawa 9.05
Shizuoka 9.20
Hyogo 9.22
Tochigi 9.26
Saitama 9.27