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12. Investments (Tables) | 12 Months Ended
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Dec. 31, 2018
Investments Tables Abstract |
Summary of the investees' financial statements and equity interest |
Company | Equity | Capital increase | Dividends distributed | Profit (loss) for the year
| 2018 | 2017 | 2016 | 2018 | 2018 | 2018 | (*) | 2017 | 2016
Sesamm | 43,547 | 39,262 | 37,198 | - | (1,336) | 5,621 | - | 2,707 | 8,601
Águas de Andradina (i) | 24,832 | 19,392 | 16,161 | 3,033 | - | 2,425 | (18) | 4,471 | 1,772
Águas de Castilho | 6,084 | 4,880 | 3,706 | 203 | - | 1,060 | (59) | 933 | 631
Saneaqua Mairinque | 5,720 | 4,327 | 4,090 | 2,183 | - | (478) | (312) | 390 | 723
Attend Ambiental | 1,426 | 5,169 | 3,925 | - | - | (4,731) | 988 | 1,324 | 841
Aquapolo Ambiental | 30,170 | 18,757 | 12,340 | - | - | 11,410 | 3 | 6,470 | 689
Paulista Geradora de Energia | 7,625 | 8,447 | 8,469 | - | - | (448) | (374) | (22) | (40)
Company | Investments | Capital increase | Dividends distributed | Equity in the earnings of subsidiaries | Interest percentage
| 2018 | 2017 | 2018 | (*) | 2018 | (*) | 2017 | 2016 | 2018 | 2017 | 2016
Sesamm | 15,677 | 14,135 | - | (481) | 2,023 | - | 975 | 3,096 | 36% | 36% | 36%
Águas de Andradina | 7,450 | 5,818 | 910 | - | 727 | (5) | 729 | 532 | 30% | 30% | 30%
Águas de Castilho | 1,826 | 1,465 | 61 | - | 318 | (18) | 287 | 189 | 30% | 30% | 30%
Saneaqua Mairinque | 1,716 | 1,298 | 655 | - | (143) | (94) | 71 | 217 | 30% | 30% | 30%
Attend Ambiental | 642 | 2,326 | - | - | (2,129) | 445 | 560 | 378 | 45% | 45% | 45%
Aquapolo Ambiental | 14,783 | 9,191 | - | - | 5,591 | 1 | 3,144 | 338 | 49% | 49% | 49%
Paulista Geradora de Energia | 1,905 | 2,111 | - | - | (112) | (94) | (6) | (10) | 25% | 25% | 25%
Total | 43,999 | 36,344 | 1.626 | (481) | 6,275 | 235 | 5,760 | 4,740 |  |  |
Other investments | 588 | 588 |  |  |  |  |  |  |  |  |
Overall total | 44,587 | 36,932 |  |  |  |  |  |  |  |  |
(*) Refer to changes in the equity of investees, as their financial statements for the year ended December 31, 2017 were issued, including some adjustments, after the the Company’s financial statements.

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