In a town with mid-year population of 25,000, there were 600 live births in the year 2021. There were 20 foetal deaths between conception and birth, during the year.
There were 9 babies who died within 7 days after birth, another 11 babies who died between 7 days to 28 days after birth. A total of 30 babies died between birth to one year after birth. Another 20 children died between the age 1-5 years.
Another 10 children died between the age of 5-10 years. Regular demographic surveys are carried out in the town. The Medical Officer who has recently joined aims to study the demography of the town by analyzing the available data given above.
All of the following mortality indicators can be calculated from the given data, except: