2017 2018 2019
Financial position (in Thousand Baht) As of December 31,
Total assets 9,979,866 11,573,046 14,237,074
Total liabilities 4,099,149 5,494,911 8,332,576
Equity - the Company 4,823,537 4,970,782 4,725,515
Operation performance (in Thousand Baht) For the years ended December 31,
Total revenues 5,569,666 5,564,767 6,117,447
Revenues from sales and services 4,722,927 4,632,682 4,192,698
Cost of sales and services 2,801,253 2,745,836 2,715,361
Depreciation and amortization 592,048 462,478 372,009
Total expenses 1,765,095 1,920,510 2,235,279
Net profit - the Company 267,038 289,838 320,217
Net profit 332,369 350,256 605,519
Ratio per share (in Baht)
Net profit - the Company 0.32 0.34 0.38
Dividend 0.16 0.17 0.19
Book value 5.71 5.88 5.59
Number of shares (million shares) 850.00 850.00 850.00
Profitability ratio (%)
Net profit margin 4.79 5.21 5.23
Return on equity 5.67 5.92 6.60
Return on assets 4.94 4.65 7.07
Leverage ratio
Interest-bearing debt to equity ratio (times) 0.35 0.40 0.94
Debt to equity ratio (times) 0.85 1.11 1.76
Interest coverage ratio (times) 14.51 14.01 4.85

The proposed dividend for 2019 was approved by the Board of Directors on 19 March 2019 and will be proposed to the 2020 Annual General Meeting of Shareholders to approve on 27 April 2020.