Companies registered by month in 1966
- January - 230 companies registered
- February - 247 companies registered
- March - 389 companies registered
- April - 238 companies registered
- May - 231 companies registered
- June - 246 companies registered
- July - 195 companies registered
- August - 218 companies registered
- September - 206 companies registered
- October - 209 companies registered
- November - 229 companies registered
- December - 216 companies registered