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Quarterly Data - Unaudited
 12 Months Ended
Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Data - Unaudited

Note 9 - Quarterly Data - Unaudited

Financial information for each quarter of 2020 and 2019 is as follows:

2020

1st

2nd

3rd

4th

Total

 

Operating Revenues

$

31,769

$

35,277

$

39,920

$

34,626

$

141,592

Operating Income

6,527

9,385

13,177

8,331

37,420

Net Income

7,668

9,713

12,737

8,307

38,425

Basic Earnings per Share

$

0.44

$

0.55

$

0.73

$

0.47

$

2.19

Diluted Earnings per Share

$

0.44

$

0.55

$

0.72

$

0.47

$

2.18

Common Dividend Per Share

$

0.2563

$

0.2563

$

0.2563

$

0.2725

$

1.0414

High/Low Common Stock Price

$

69.92/$48.79

$

72.41/$53.70

$

69.89/$59.61

$

76.08/$61.81

2019

1st

2nd

3rd

4th

Total

 

Operating Revenues

$

30,698

$

33,393

$

37,769

$

32,738

$

134,598

Operating Income

7,028

8,950

11,983

7,559

35,520

Net Income

6,552

8,146

11,119

8,071

33,888

Basic Earnings per Share

$

0.40

$

0.49

$

0.67

$

0.46

$

2.02

Diluted Earnings per Share

$

0.39

$

0.49

$

0.67

$

0.46

$

2.01

Common Dividend Per Share

$

0.2400

$

0.2400

$

0.2400

$

0.2563

$

0.9763

High/Low Common Stock Price

$

60.48/$51.02

$

63.68/$52.51

$

66.10/$55.30

$

67.69/$58.75

The information above, in the opinion of the Company, includes all adjustments consisting only of normal recurring accruals necessary for a fair presentation of such amounts. The business of the Company is subject to seasonal fluctuation with the peak period usually occurring during the summer months. The quarterly earnings per share amounts above may differ slightly from previous filings due to the effects of rounding.