What is the historic increase in DA of Bank Employees?

The increase in Bank Employees’ Dearness Allowance during previous years is as detailed under:

Period From	Increase (%)
August 2016 to October 2016	3.50
November 2016 to January 2017	0.10
February 2017 to April 2017	1.30
May 2017 to July 2017	(-)1.30
August 2017 to October 2017	2.20
November 2017 to January 2018	3.80
February 2018 to April 2018	1.10
May 2018 to July 2018	0.20
August 2018 to October 2018	1.20
November 2018 to January 2019	6.60
February 2019 to April 2019	0.40
May 2019 to July 2019	3.40
August 2019 to October 2019	3.60
November 2019 to January 2020	3.60
February 2020 to April 2020	4.20
May 2020 to July 2020	0.20
August 2020 to October 2020 (latest)	1.40