Companies registered by month in 1966
- January - 225 companies registered
- February - 243 companies registered
- March - 379 companies registered
- April - 229 companies registered
- May - 225 companies registered
- June - 242 companies registered
- July - 183 companies registered
- August - 216 companies registered
- September - 202 companies registered
- October - 203 companies registered
- November - 222 companies registered
- December - 212 companies registered