year

Effch

Techch

pech

sech

tfpch

2012

1.001

0.876

1.009

0.991

0.877

2013

1.022

1.069

0.991

1.031

1.092

2014

0.986

0.932

0.987

0.999

0.918

2015

1.018

0.986

1.021

0.997

1.003

2016

0.966

1.073

0.986

0.979

1.037

2017

1.019

0.926

0.996

1.024

0.944

2018

1.005

1.014

1.016

0.988

1.019

2019

1.018

0.972

1.000

1.018

0.990

2020

0.977

1.080

1.002

0.976

1.055

Mean

1.001

0.989

1.001

1.000

0.991