Table:
income source
probability of delayed tax filing conditional on having income
percentage of income in t1 hpmf captured by t1 pmf

for initial tax filers
for all tax filers

percent

business self-employment
7.6
97.6
89.6

commission
8.1
99.4
91.8

farming
2.3
99.2
100.3

fishing
4.2
99.5
95.9

professional
5.1
99.8
96.8

rental
3.5
97.1
99.2

Statement: the business self-employment of initial tax filers are under-represented in the t1 pmf, the estimates being only 97.6%.
Question: under-represented in the t1 pmf, what was the proportion of individuals with business self-employment considered to be initial tax filers?
Answer: [97.6]