Companies registered by month in 1931
- January - 47 companies registered
- February - 37 companies registered
- March - 60 companies registered
- April - 47 companies registered
- May - 47 companies registered
- June - 34 companies registered
- July - 51 companies registered
- August - 36 companies registered
- September - 35 companies registered
- October - 44 companies registered
- November - 39 companies registered
- December - 45 companies registered