The diffusion index is calculated from the Economy Watchers Survey. The purpose of this survey is to promptly gain an accurate grasp of region-by-region economic trends.Survey coverage 2,050 people were selected from among those engaged in jobs in industries that enable them to observe any development that sensitively reflects economic activities, such as household activity, corporate activity, and employment. Questions asked - (1) Assessment of current economic conditions (direction), (2) Reasons for (1), (3) Additional explanation of (2) and explanation of specific conditions, (4) Assessment of future economic conditions (direction) and (5) Reasons for (4). Diffusion index computation method - The following points are assigned in accordance with the one-to-five scale for each category of response, and the DI is calculated by multiplying the points by the component ratio of each response category: Good (+1), Slightly good (+0.75), Neither good nor bad (+