The following table presents data about the number of men, women and children and percentage (%) of overweight men, overweight women and overweight children in a city during the last six years from 2016 to 2021.

Year-wise Distribution of Population in a city

Year	Number of			Percentage (%) of Overweight
	Men	Women	Children	Men	Women	Children
2016	27000	19000	7500	15%	36%	30%
2017	37500	32000	10500	7%	35%	28%
2018	31500	30000	6000	30%	25%	35%
2019	33000	27000	8000	16%	30%	30%
2020	35000	34000	10000	12%	27%	32%
2021	39000	37500	22500	37.50%	22%	36%

What was the difference between the number of overweight women and overweight children together in the year 2018 and the number of overweight men in the same year?