Fix daily change amount bug

regression_test.py

route_result/auxiliar.csv

route_result/class.csv

route_result/class_count_count.csv

...,"3","4","5","6"]&dims=education_level_short,location.csv

route_result/classroom.csv

route_result/cub.csv

route_result/daily_charge_amount.csv

...ime:["0"],period:["1","2"]&dims=education_level_short.csv

...al_time:["0"],period:["3"]&dims=education_level_short.csv

...","9"],integral_time:["1"]&dims=education_level_short.csv

route_result/employees.csv

route_result/enrollment.csv

route_result/financial.csv

route_result/pibpercapita&dims=state.csv

route_result/population.csv

...lt/school_count&dims=adm_dependency_detailed,location.csv

...tadm_dependency:["1","2","3"],school_building:"false".csv

...cy:["1","2","3"],school_building:"true"&dims=location.csv

...ntadm_dependency:["1","2","3"],school_building:"true".csv