Α

β

R²

All years

8.952

5.64

22.79%

(4.488)

(4.558)

2015

3.546

4.86

21.01%

(4.115)

(2.046)***

2016

8.777

6.33

26.02%

(1.875)**

(4.034)

2017

10.711

3.508

27.46%

(0.09)*

(0.982)*

2018

1.77

5.33

64.44%

(12.612)

(6.333)

2019

1.399

8.48

52.85%

(8.018)

(4.504)

2020

2.359

6.234

64.23%

(4.567)

(4.678)