ROA

ROE

(%)

Mar./2017Mar./2018Mar./2019Mar./2020Mar./2021
ROA6.01.53.73.60.2
ROE13.03.17.46.90.4

R&D expenses

Capital investment

Depreciation & amortization

(%)

Mar./2017Mar./2018Mar./2019Mar./2020Mar./2021
R&D expenses12,84110,8327,88112,6809,949
Capital investment14,05014,1667,0919,6676,921
Depreciation & amortization11,09810,7409,8688,7459,016