Α

β

R²

All years

1.764

3.754

8.20%

(4.696)

(4.706)

2015

2.078

2.498

14.18%

(3.962)

(1.370)*

2016

1.057

5.358

12.09%

(3.164)

(2.222)***

2017

2.398

2.422

14.80%

(4.238)

(2.800)

2018

2.447

4.809

46.30%

(3.389)

(4.308)

2019

2.08

3.38

49.72%

(4.841)

(2.366)***

2020

4.591

4.284

27.12%

(4.481)

(3.740)