1. Hidakacho includes the number of foals born in former Hidakacho and new Hidakacho.
    Monbetsucho includes the number of foals born in Monbetsucho before the merger.

2. Shin-Hidakacho includes the number of foals born in Shin-Hidakacho after the merger.
    Shizunaicho and Mitsuishicho include the number of foals born in each town before the merger.