Companies registered by month in 1966
- January - 226 companies registered
- February - 243 companies registered
- March - 379 companies registered
- April - 228 companies registered
- May - 227 companies registered
- June - 243 companies registered
- July - 185 companies registered
- August - 216 companies registered
- September - 202 companies registered
- October - 203 companies registered
- November - 222 companies registered
- December - 213 companies registered